TY - JOUR AU - T. M. Pushkareva TI - The problem of the conjugation of nonstationary linear differential equations with a parameter JO - Differencialʹnye uravneniâ PY - 1978 SP - 1706 EP - 1709 VL - 14 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1978_14_9_a24/ LA - ru ID - DE_1978_14_9_a24 ER -