Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1957_112_1_a15, author = {V. Shestakov}, title = {An algebraic method for the synthesis of many-cycle systems of $r$-position relays}, journal = {Doklady Akademii Nauk}, pages = {62--66}, publisher = {mathdoc}, volume = {112}, number = {1}, year = {1957}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1957_112_1_a15/} }
V. Shestakov. An algebraic method for the synthesis of many-cycle systems of $r$-position relays. Doklady Akademii Nauk, Tome 112 (1957) no. 1, pp. 62-66. http://geodesic.mathdoc.fr/item/DAN_1957_112_1_a15/