TY - JOUR AU - Yu. L. Gaponenko TI - Solvability of elementary two-point boundary value problems JO - Differencialʹnye uravneniâ PY - 1983 SP - 1843 EP - 1847 VL - 19 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1983_19_11_a0/ LA - ru ID - DE_1983_19_11_a0 ER -