TY  - JOUR
AU  - R. K. Ragimkhanov
TI  - On the question of the existence of upper and lower solutions of the Hammerstein integral inclusion
JO  - Differencialʹnye uravneniâ
PY  - 1983
SP  - 2011
EP  - 2013
VL  - 19
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1983_19_11_a31/
LA  - ru
ID  - DE_1983_19_11_a31
ER  -