TY  - JOUR
AU  - V. V. Lychagin
AU  - V. N. Rubtsov
TI  - Local classification of Monge--Amp\`ere differential equations
JO  - Doklady Akademii Nauk
PY  - 1983
SP  - 34
EP  - 38
VL  - 272
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1983_272_1_a7/
LA  - ru
ID  - DAN_1983_272_1_a7
ER  -