TY  - JOUR
AU  - I. G. Galyautdinov
AU  - E. E. Lavrentyeva
TI  - Determination of the minimal polynomials of algebraic numbers of the form $\operatorname{tg}^2(\pi/n)$ by the Tschirnhausen transformation
JO  - Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki
PY  - 2015
SP  - 20
EP  - 27
VL  - 157
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UZKU_2015_157_2_a1/
LA  - ru
ID  - UZKU_2015_157_2_a1
ER  -