@article{DAN_1975_224_4_a2,
     author = {L. I. Kamynin and B. N. Khimchenko},
     title = {On theorems of {Giraud} type for a second-order elliptic operator weakly degenerate near the boundary},
     journal = {Doklady Akademii Nauk},
     pages = {752--755},
     year = {1975},
     volume = {224},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_224_4_a2/}
}