TY  - JOUR
AU  - N. A. Lar'kin
TI  - On global solutions of nonlinear hyperbolic inequalities
JO  - Doklady Akademii Nauk
PY  - 1980
SP  - 806
EP  - 809
VL  - 250
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1980_250_4_a9/
LA  - ru
ID  - DAN_1980_250_4_a9
ER  -