TY  - JOUR
AU  - È. Muhamadiev
TI  - Bounded solutions and homotopic invariants of systems of nonlinear differential equations
JO  - Doklady Akademii Nauk
PY  - 1996
SP  - 596
EP  - 598
VL  - 351
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1996_351_5_a3/
LA  - ru
ID  - DAN_1996_351_5_a3
ER  -