TY - JOUR AU - N. Z. Gabbasov AU - E. S. Chichkin TI - A certain integral formula for the solution of ordinary differential equations JO - Differencialʹnye uravneniâ PY - 1969 SP - 1652 EP - 1662 VL - 5 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1969_5_9_a11/ LA - ru ID - DE_1969_5_9_a11 ER -