2020

• Rossing, Nils Kristian; Fredagsvik, Maren Skjelstad; Berg, Ingeborg; Hag, Kari Jorun; Petersen, Vigdis Brevik; Rø, Kirsti; Smalø, Sverre Olaf; Torkildsen, Svein Hallvard; Stedøy, Ingvill Merete; Meistad, Jens Arne. (2020) Matematikkløypa 2020 - veiledningshefte. 2020.

2019

• Rossing, Nils Kristian; Fredagsvik, Maren Skjelstad; Berg, Ingeborg; Petersen, Vigdis Brevik; Rø, Kirsti; Smalø, Sverre Olaf; Torkildsen, Svein Hallvard; Stedøy, Ingvill Merete; Hag, Kari Jorun. (2019) Matematikkløypa 2019 - Veiledningshefte. 2019.

2016

• Hag, Kari; Hag, Per. (2016) A remark on quasimöbius and quasiconformal maps. The Journal of Analysis.

2015

• Rossing, Nils Kristian; Skjelstad, Maren; Rø, Kirsti; Hag, Kari; Torkildsen, Svein Hallvard; Petersen, Vigdis; Smalø, Sverre Olaf; Drageland, Kai. (2015) Matematikkløypa 2015 - Veiledningshefte. 2015.

2012

• Gehring, Frederick W.; Hag, Kari. (2012) The Ubiquitous Quasidisk. American Mathematical Society (AMS). 2012. ISBN 0-8218-9086-7. Mathematical Surveys (184).

2011

• Broch, Ole Jacob; Hag, Kari; Junge, Steffen. (2011) A note on harmonic measure doubling condition. Conformal Geometry and Dynamics. volum 15.

2010

• Hag, Kari. (2010) A note on the harmonic measure doubling condition. Journal of The American Mathematical Society. volum 15.

2009

• Hag, Kari. (2009) Can a partnership model between school and university be used to educate stronger mathematics teachers?. Nordic Research in Mathematics Education.

2007

• Hag, Kari; Hästö, Peter. (2007) Peer-assessment in mathematics at the Norwegian University of Science and Technology. Tapir Akademisk Forlag. 2007. ISBN 978-82-519-2212-8.

2004

• Hag, Kari. (2004) Kvinner i matematikken - hvorfor så få?. Kvinner i realfagene: konferanserapport / Women in science: a conference report.

2003

• Gehring, F.; Hag, Kari. (2003) Sewing homeorphisms and quasidisks. Computational methods in Function Theory. volum 3 (1).

2001

• Hag, Kari; Gehring, F.. (2001) Reflections on reflections in quasidisks. 2001. Report : University of Jyväskylä.
• Hag, Per; Hag, Kari. (2001) John disks and the pre-schwarsian derivative. Annales Academiae Scientiarum Fennicae Mathematica. volum 26.

2000

• Hag, Kari; Gehring, F.. (2000) The Appolonian metric and quasiconformal mappings. Contemporary Mathematics. volum 256.
• Hag, Per; Hag, Kari; Martio, Olli. (2000) Quasisimilarities: definitions, stability and extensions. Rev. Roumaine Math. Pures App.. volum 45 (3).

1999

• Gehring, F.W; Hag, Kari. (1999) Hyperbolic geometry and disks. Journal of Computational and Applied Mathematics. volum 105.
• Gehring, Frederick W.; Hag, Kari. (1999) A bound for hyperbolic distance in a quasidisk. Computational Methods and Functions Theory : proceedings.
• Gehring, Frederick W.; Hag, Kari. (1999) Bounds for the hyperbolic distance in a quasidisk. Annales Universitatis Mariae Curie-Sklodowska. Sectio A. Mathematica. volum L III, 6.
• Hag, Kari. (1999) What is a disk?. Banach Center Publications. volum 48.
• Hag, Per; Hag, Kari. (1999) Niels Henrik Abel og uendelige rekker - et tema i fagdidaktikken!. Tangenten - Tidsskrift for matematikkundervisning. volum 1.

1998

• Hag, Kari. (1998) Women and mathematics. Progress in Mathematics. volum 169.

1997

• Hag, Kari. (1997) What is a disk?. Bulletin de la Société des sciences et des lettres de Lódz. volum XLVII.
• Hag, Kari; Hag, Per. (1997) John Disks and growth conditions on f"/f'. 1997. Preprint (18).
• Hag, Kari; Lindqvist, Peter. (1997) Elizabeth Stephansen : a pioneer. Skrifter.

1994

• Hag, Kari. (1994) Tallene teller : rekruttering og utdanning av hovedfagsmatematikere. 1994.