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@article{DAN_1989_305_2_a8, author = {I. G. Solovyev}, title = {The method of comparison systems, based on input-output models, in}, journal = {Doklady Akademii Nauk}, pages = {291--293}, publisher = {mathdoc}, volume = {305}, number = {2}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1989_305_2_a8/} }
I. G. Solovyev. The method of comparison systems, based on input-output models, in. Doklady Akademii Nauk, Tome 305 (1989) no. 2, pp. 291-293. http://geodesic.mathdoc.fr/item/DAN_1989_305_2_a8/