@article{RM_1972_27_4_a9,
     author = {A. F. Lapko},
     title = {On notes published in section {{\textquotedblleft}Communications} of the {Moscow} {Mathematical} {Society{\textquotedblright}}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     year = {1972},
     volume = {27},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1972_27_4_a9/}
}