@article{MZM_1978_23_3_a6,
     author = {I. E. Egorov},
     title = {A~mixed boundary-value problem for a~hyperbolic-parabolic equation},
     journal = {Matemati\v{c}eskie zametki},
     pages = {389--400},
     publisher = {mathdoc},
     volume = {23},
     number = {3},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1978_23_3_a6/}
}