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@article{DAN_1985_284_1_a12, author = {L. A. Sakhnovich}, title = {Inverse spectral problems for systems of equations}, journal = {Doklady Akademii Nauk}, pages = {57--61}, publisher = {mathdoc}, volume = {284}, number = {1}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1985_284_1_a12/} }
L. A. Sakhnovich. Inverse spectral problems for systems of equations. Doklady Akademii Nauk, Tome 284 (1985) no. 1, pp. 57-61. http://geodesic.mathdoc.fr/item/DAN_1985_284_1_a12/