TY  - JOUR
AU  - D. V. Tunitsky
TI  - On the Levi condition for Monge--Amp\`ere equations
JO  - Differencialʹnye uravneniâ
PY  - 1996
SP  - 1078
EP  - 1088
VL  - 32
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1996_32_8_a8/
LA  - ru
ID  - DE_1996_32_8_a8
ER  -