%0 Journal Article %A M. Mirsaburov %A Zh. Khudzhaev %T A problem with Tricomi and Frankl conditions on the characteristic for a~class of mixed-type equations %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2013 %P 41-50 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2013_1_a3/ %G ru %F IVM_2013_1_a3