@article{FAA_1982_16_2_a11,
     author = {A. N. Kochubei},
     title = {Elliptic operators with boundary conditions on a subset of measure zero},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {74--75},
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1982_16_2_a11/}
}