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@article{DE_2000_36_8_a15, author = {A. N. Vetokhin}, title = {The exact descriptive type of the set of proper linear systems}, journal = {Differencialʹnye uravneni\^a}, pages = {1128--1129}, publisher = {mathdoc}, volume = {36}, number = {8}, year = {2000}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_2000_36_8_a15/} }
A. N. Vetokhin. The exact descriptive type of the set of proper linear systems. Differencialʹnye uravneniâ, Tome 36 (2000) no. 8, pp. 1128-1129. http://geodesic.mathdoc.fr/item/DE_2000_36_8_a15/