Voir la notice de l'article provenant de la source Math-Net.Ru
@article{PDM_2010_12_a6, author = {V. M. Fomichev}, title = {The properties of external control sequences}, journal = {Prikladna\^a diskretna\^a matematika}, pages = {15--19}, publisher = {mathdoc}, number = {12}, year = {2010}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/PDM_2010_12_a6/} }
V. M. Fomichev. The properties of external control sequences. Prikladnaâ diskretnaâ matematika, no. 12 (2010), pp. 15-19. http://geodesic.mathdoc.fr/item/PDM_2010_12_a6/