Voir la notice de l'article provenant de la source Math-Net.Ru
@article{FPM_2013_18_6_a12, author = {G. B. Shabat}, title = {Unicellular four-edged toric dessins}, journal = {Fundamentalʹna\^a i prikladna\^a matematika}, pages = {209--222}, publisher = {mathdoc}, volume = {18}, number = {6}, year = {2013}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FPM_2013_18_6_a12/} }
G. B. Shabat. Unicellular four-edged toric dessins. Fundamentalʹnaâ i prikladnaâ matematika, Tome 18 (2013) no. 6, pp. 209-222. http://geodesic.mathdoc.fr/item/FPM_2013_18_6_a12/