TY  - JOUR
AU  - V. A. Malyshev
TI  - Differential inequalities and the Hadamard conjecture
JO  - Doklady Akademii Nauk
PY  - 1992
SP  - 420
EP  - 422
VL  - 323
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1992_323_3_a9/
LA  - ru
ID  - DAN_1992_323_3_a9
ER  -