TY - JOUR AU - Gulbakhor M. Mirsaburova TI - A mixed problem with Tricomi and Frankl conditions for the Gellerstedt equation with a~singular coefficient JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2013 SP - 16 EP - 30 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2013_7_a1/ LA - ru ID - IVM_2013_7_a1 ER -