@article{MMO_1967_16_a8,
     author = {V. A. Kondrat'ev},
     title = {Boundary value problems for elliptic equations in domains with conical or angular points},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {209--292},
     publisher = {mathdoc},
     volume = {16},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1967_16_a8/}
}