TY  - JOUR
AU  - O. D. Dyachkin
TI  - Some parabolic and elliptic equations in a Hilbert space
JO  - Differencialʹnye uravneniâ
PY  - 1990
SP  - 640
EP  - 652
VL  - 26
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1990_26_4_a11/
LA  - ru
ID  - DE_1990_26_4_a11
ER  -