TY - JOUR AU - K. B. Sabitov AU - R. R. Il'yasov TI - Solution of the Tricomi problem for an equation of mixed type with a singular coefficient by the spectral method JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2004 SP - 64 EP - 71 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2004_2_a7/ LA - ru ID - IVM_2004_2_a7 ER -