TY  - JOUR
AU  - P. P. Tammela
TI  - Minkowski reduction region for positive quadratic forms in seven variables
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1977
SP  - 108
EP  - 143
VL  - 67
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1977_67_a4/
LA  - ru
ID  - ZNSL_1977_67_a4
ER  -