TY  - JOUR
AU  - M. M. Anzin
TI  - On variations of positive quadratic forms (with applications to the study of perfect forms)
JO  - Informatics and Automation
PY  - 1991
SP  - 11
EP  - 26
VL  - 196
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1991_196_a1/
LA  - ru
ID  - TRSPY_1991_196_a1
ER  -