TY - JOUR AU - Yu. V. Kuznetsov TI - On the analytic theory of infinite systems of linear differential equations JO - Differencialʹnye uravneniâ PY - 1969 SP - 1018 EP - 1028 VL - 5 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1969_5_6_a4/ LA - ru ID - DE_1969_5_6_a4 ER -