Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1996__46_1_a1, author = {Fu, Hung-Lin and Tsai, Ming-Chun}, title = {Edge and vertex operations on upper embeddable graphs}, journal = {Mathematica slovaca}, pages = {9--19}, publisher = {mathdoc}, volume = {46}, number = {1}, year = {1996}, mrnumber = {1414405}, zbl = {0858.05039}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1996__46_1_a1/} }
Fu, Hung-Lin; Tsai, Ming-Chun. Edge and vertex operations on upper embeddable graphs. Mathematica slovaca, Tome 46 (1996) no. 1, pp. 9-19. http://geodesic.mathdoc.fr/item/MASLO_1996__46_1_a1/