TY - JOUR AU - V. N. Laptinskii TI - Estimates of the solutions of the system $x''' =A(t)x$ JO - Differencialʹnye uravneniâ PY - 1974 SP - 755 EP - 758 VL - 10 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1974_10_4_a21/ LA - ru ID - DE_1974_10_4_a21 ER -