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@article{DAN_1976_229_3_a5, author = {A. G. Rutkas}, title = {On the theory of characteristic functions of linear operators}, journal = {Doklady Akademii Nauk}, pages = {546--549}, publisher = {mathdoc}, volume = {229}, number = {3}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1976_229_3_a5/} }
A. G. Rutkas. On the theory of characteristic functions of linear operators. Doklady Akademii Nauk, Tome 229 (1976) no. 3, pp. 546-549. http://geodesic.mathdoc.fr/item/DAN_1976_229_3_a5/