@article{DAN_1962_144_2_a6,
     author = {P. P. Mosolov},
     title = {An analogue of the first boundary-value problem for stable hypo-elliptic operator},
     journal = {Doklady Akademii Nauk},
     pages = {275--278},
     year = {1962},
     volume = {144},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_144_2_a6/}
}