@article{DE_1988_24_2_a14,
     author = {P. I. Lizorkin and N. V. Miroshin},
     title = {The generalized {Poisson} integral and the smoothness of the solution of the {Dirichlet} problem for degenerate elliptic operators},
     journal = {Differencialʹnye uravneni\^a},
     pages = {305--313},
     publisher = {mathdoc},
     volume = {24},
     number = {2},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1988_24_2_a14/}
}