@article{VSGU_2010_6_a7,
     author = {S. A. Sayganova},
     title = {On the problem with {M.~Saigo} operators on characteristics for a~degenerative hyperbolic equation},
     journal = {Vestnik Samarskogo universiteta. Estestvennonau\v{c}na\^a seri\^a},
     pages = {69--77},
     publisher = {mathdoc},
     number = {6},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGU_2010_6_a7/}
}