TY - JOUR AU - M. S. Salakhitdinov AU - B. I. Islomov TI - A nonlocal boundary-value problem with conormal derivative for a~mixed-type equation with two inner degeneration lines and various orders of degeneracy JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2011 SP - 49 EP - 58 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2011_1_a4/ LA - ru ID - IVM_2011_1_a4 ER -