@article{VSGTU_2005_34_a0,
     author = {O. A. Repin},
     title = {A nonlocal problem for a mixed-type equation with a singular coefficient},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {5--9},
     publisher = {mathdoc},
     number = {34},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2005_34_a0/}
}