TY - JOUR AU - E. E. Vitrichenko AU - G. V. Drekova TI - Some projection methods for solving singular integro-differential equations in the exceptional case JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1990 SP - 61 EP - 65 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1990_10_a9/ LA - ru ID - IVM_1990_10_a9 ER -