%0 Journal Article %A K. B. Sabitov %A A. Kh. Suleimanova %T The Dirichlet problem for a~mixed-type equation with characteristic degeneration in a~rectangular domain %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2009 %P 43-52 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2009_11_a4/ %G ru %F IVM_2009_11_a4