TY  - JOUR
AU  - S. A. Vavilov
TI  - A solvability criterion for a resonance periodic problem in the
JO  - Doklady Akademii Nauk
PY  - 1990
SP  - 787
EP  - 790
VL  - 312
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1990_312_4_a2/
LA  - ru
ID  - DAN_1990_312_4_a2
ER  -