@article{DAN_1968_183_2_a2,
     author = {Kh. G. Bzhikhatlov and A. M. Nakhushev},
     title = {A certain boundary value problem for an equation of mixed parabolic-hyperbolic type},
     journal = {Doklady Akademii Nauk},
     pages = {261--264},
     publisher = {mathdoc},
     volume = {183},
     number = {2},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_183_2_a2/}
}