TY - JOUR AU - I. T. Kiguradze AU - B. L. Shekhter TI - Singular boundary value problems for second-order ordinary differential equations JO - Itogi Nauki i Tekhniki. Seriya Sovremennye Problemy Matematiki. Noveishie Dostizheniya PY - 1987 SP - 105 EP - 201 VL - 30 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/INTD_1987_30_a1/ LA - ru ID - INTD_1987_30_a1 ER -