TY  - JOUR
AU  - Ya. Sh. Ilyasov
TI  - Existence of periodic nonnegative solutions of the equations $-\!\Delta u=g(u)$ in $\mathbb{R}^{N+1}$
JO  - Doklady Akademii Nauk
PY  - 1993
SP  - 149
EP  - 151
VL  - 332
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1993_332_2_a5/
LA  - ru
ID  - DAN_1993_332_2_a5
ER  -