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@article{DAN_1965_164_5_a5, author = {I. N. Kovalenko}, title = {Reconstruction of the characteristics of a system through observations on the outflow}, journal = {Doklady Akademii Nauk}, pages = {979--981}, publisher = {mathdoc}, volume = {164}, number = {5}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1965_164_5_a5/} }
I. N. Kovalenko. Reconstruction of the characteristics of a system through observations on the outflow. Doklady Akademii Nauk, Tome 164 (1965) no. 5, pp. 979-981. http://geodesic.mathdoc.fr/item/DAN_1965_164_5_a5/