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@article{DAN_1987_296_4_a3, author = {I. I. Ibragimov and F. I. Ibragimov}, title = {Multiple completeness in the sense of {M.\} {V.\} {Keldysh} of some}, journal = {Doklady Akademii Nauk}, pages = {788--791}, publisher = {mathdoc}, volume = {296}, number = {4}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1987_296_4_a3/} }
I. I. Ibragimov; F. I. Ibragimov. Multiple completeness in the sense of M.\ V.\ Keldysh of some. Doklady Akademii Nauk, Tome 296 (1987) no. 4, pp. 788-791. http://geodesic.mathdoc.fr/item/DAN_1987_296_4_a3/