TY  - JOUR
AU  - V. P. Polityukov
TI  - On the theory of upper and lower solutions for the nonlinear transport equation
JO  - Doklady Akademii Nauk
PY  - 1978
SP  - 534
EP  - 537
VL  - 239
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1978_239_3_a8/
LA  - ru
ID  - DAN_1978_239_3_a8
ER  -