TY - JOUR AU - V. K. Romanko TI - Three-point boundary value problems for equations with discontinuous coefficients JO - Differencialʹnye uravneniâ PY - 1979 SP - 479 EP - 491 VL - 15 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1979_15_3_a11/ LA - ru ID - DE_1979_15_3_a11 ER -