TY  - JOUR
AU  - V. P. Polityukov
TI  - On the theory of upper and lower solutions and the solvability of quasilinear integro-differential equations
JO  - Sbornik. Mathematics
PY  - 1979
SP  - 499
EP  - 507
VL  - 35
IS  - 4
UR  - http://geodesic.mathdoc.fr/item/SM_1979_35_4_a3/
LA  - en
ID  - SM_1979_35_4_a3
ER  -