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@article{DE_1977_13_12_a17, author = {M. N. Popa}, title = {Syzygies between the affine invariants of a system with quadratic right hand sides}, journal = {Differencialʹnye uravneni\^a}, pages = {2272--2275}, publisher = {mathdoc}, volume = {13}, number = {12}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1977_13_12_a17/} }
M. N. Popa. Syzygies between the affine invariants of a system with quadratic right hand sides. Differencialʹnye uravneniâ, Tome 13 (1977) no. 12, pp. 2272-2275. http://geodesic.mathdoc.fr/item/DE_1977_13_12_a17/