Voir la notice de l'article provenant de la source Math-Net.Ru
@article{TM_1946_13_a0, author = {N. Erougin}, title = {Reducible systems}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {3--96}, publisher = {mathdoc}, volume = {13}, year = {1946}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_1946_13_a0/} }
N. Erougin. Reducible systems. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Reducible systems, Tome 13 (1946), pp. 3-96. http://geodesic.mathdoc.fr/item/TM_1946_13_a0/