@article{SM_1967_1_1_a0,
     author = {Yu. F. Korobeinik},
     title = {Some applications of the theory of normally solvable operators to},
     journal = {Sbornik. Mathematics},
     pages = {1--29},
     year = {1967},
     volume = {1},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1967_1_1_a0/}
}