@article{VSGU_2009_2_a6,
     author = {L. S. Pulkina and O. M. Kechina},
     title = {Non-local problem with integral conditions for hyperbolic equation in characteristic rectangle},
     journal = {Vestnik Samarskogo universiteta. Estestvennonau\v{c}na\^a seri\^a},
     pages = {80--88},
     publisher = {mathdoc},
     number = {2},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGU_2009_2_a6/}
}