TY  - JOUR
AU  - K. B. Sabitov
TI  - Extremal properties of the modulus of solutions of a class of
JO  - Doklady Akademii Nauk
PY  - 1990
SP  - 33
EP  - 36
VL  - 310
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1990_310_1_a6/
LA  - ru
ID  - DAN_1990_310_1_a6
ER  -