TY  - JOUR
AU  - Yu. S. Kolesov
TI  - A criterion for the existence of periodic solutions of parabolic equations
JO  - Doklady Akademii Nauk
PY  - 1966
SP  - 1013
EP  - 1015
VL  - 170
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1966_170_5_a4/
LA  - ru
ID  - DAN_1966_170_5_a4
ER  -