@article{DAN_1977_235_2_a7,
     author = {A. M. Nakhushev},
     title = {On the theory of boundary value problems for an equation of mixed hyperbolic-parabolic type},
     journal = {Doklady Akademii Nauk},
     pages = {273--276},
     publisher = {mathdoc},
     volume = {235},
     number = {2},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_235_2_a7/}
}