%0 Journal Article %A G. M. Mirsaburova %T Problem with nonlocal conditions on parts of the boundary characteristics and on the degeneracy segment for Gellerstedt equation with singular coefficient %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2020 %P 64-83 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2020_1_a5/ %G ru %F IVM_2020_1_a5