@article{VSGU_2011_8_a8,
     author = {N. Yu. Selivanova and M. V. Shamolin},
     title = {Local solvability of some problem with free border},
     journal = {Vestnik Samarskogo universiteta. Estestvennonau\v{c}na\^a seri\^a},
     pages = {86--94},
     publisher = {mathdoc},
     number = {8},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGU_2011_8_a8/}
}