TY  - JOUR
AU  - V. G. Boltyanskii
TI  - Discrete maximum principle (method of local sections)
JO  - Differencialʹnye uravneniâ
PY  - 1972
SP  - 1927
EP  - 1935
VL  - 8
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1972_8_11_a1/
LA  - ru
ID  - DE_1972_8_11_a1
ER  -