TY - JOUR AU - V. I. Fomin TI - On a Weakly Degenerate First-Order Linear Differential Equation in a Banach Space JO - Differencialʹnye uravneniâ PY - 2005 SP - 1433 EP - 1435 VL - 41 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2005_41_10_a21/ LA - ru ID - DE_2005_41_10_a21 ER -