TY  - JOUR
AU  - V. A. Stetsenko
TI  - A necessary condition for premaximal bases in $P_2$
JO  - Doklady Akademii Nauk
PY  - 1990
SP  - 1304
EP  - 1307
VL  - 315
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1990_315_6_a4/
LA  - ru
ID  - DAN_1990_315_6_a4
ER  -