TY - JOUR AU - K. Kordunyanu TI - On the existence of bounded solutions for some non-linear differential systems JO - Doklady Akademii Nauk PY - 1960 SP - 735 EP - 737 VL - 131 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1960_131_4_a4/ LA - ru ID - DAN_1960_131_4_a4 ER -