@article{VSGTU_2016_20_1_a1,
     author = {V. A. Gushchina},
     title = {The nonlocal {A.~A.~Desin's} problem for an equation of mixed elliptic-hyperbolic type},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {22--32},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2016_20_1_a1/}
}