@article{DE_1977_13_1_a10,
     author = {A. A. Kerefov},
     title = {The {Gevrey} problem for a certain mixed-parabolic equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {76--83},
     publisher = {mathdoc},
     volume = {13},
     number = {1},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1977_13_1_a10/}
}