TY - JOUR AU - Mirsaburova Gulnora TI - A problem with a~Frankl condition on the boundary of the ellipticity domain for the Gellerstedt equation with a~singular coefficient JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2012 SP - 61 EP - 66 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2012_1_a7/ LA - ru ID - IVM_2012_1_a7 ER -