TY  - JOUR
AU  - M. A. Krasnosel'skii
AU  - Yu. V. Pokornyi
TI  - Non-zero solutions of equations with strong nonlinearities
JO  - Matematičeskie zametki
PY  - 1969
SP  - 253
EP  - 260
VL  - 5
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1969_5_2_a12/
LA  - ru
ID  - MZM_1969_5_2_a12
ER  -