TY - JOUR AU - M. M. Belova TI - Asymptotic behavior of the bounded solutions of systems of nonlinear second order differential equations JO - Differencialʹnye uravneniâ PY - 1976 SP - 1933 EP - 1938 VL - 12 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1976_12_11_a1/ LA - ru ID - DE_1976_12_11_a1 ER -