TY - JOUR AU - A. Z. Samuilov TI - A certain application of Picard's theorem to higher order differential equations JO - Differencialʹnye uravneniâ PY - 1972 SP - 734 EP - 736 VL - 8 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1972_8_4_a21/ LA - ru ID - DE_1972_8_4_a21 ER -