TY - JOUR AU - R. K. Ragimkhanov TI - A fixed point method in certain boundary value problems for ordinary differential equations with discontinuous right hand side JO - Differencialʹnye uravneniâ PY - 1973 SP - 1537 EP - 1539 VL - 9 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1973_9_8_a21/ LA - ru ID - DE_1973_9_8_a21 ER -