@article{FAA_1977_11_3_a6,
     author = {O. A. Oleinik and G. A. Iosif'yan},
     title = {Removable singularities on the boundary and uniqueness of solutions of boundary-value problems for second-order elliptic and parabolic equations},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {54--67},
     publisher = {mathdoc},
     volume = {11},
     number = {3},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1977_11_3_a6/}
}