Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1983_34_4_a12, author = {S. B. Belyi}, title = {Self-nonintersecting and non intersecting chains}, journal = {Matemati\v{c}eskie zametki}, pages = {625--628}, publisher = {mathdoc}, volume = {34}, number = {4}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1983_34_4_a12/} }
S. B. Belyi. Self-nonintersecting and non intersecting chains. Matematičeskie zametki, Tome 34 (1983) no. 4, pp. 625-628. http://geodesic.mathdoc.fr/item/MZM_1983_34_4_a12/