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@article{MZM_1970_8_2_a15, author = {V. S. Vladimirov}, title = {A note concerning passive linear systems}, journal = {Matemati\v{c}eskie zametki}, pages = {265--271}, publisher = {mathdoc}, volume = {8}, number = {2}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1970_8_2_a15/} }
V. S. Vladimirov. A note concerning passive linear systems. Matematičeskie zametki, Tome 8 (1970) no. 2, pp. 265-271. http://geodesic.mathdoc.fr/item/MZM_1970_8_2_a15/