Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1997__47_2_a1, author = {Breda d'Azevedo, Antonio J.}, title = {The reflexible hypermaps of characteristic $-2$}, journal = {Mathematica slovaca}, pages = {131--153}, publisher = {mathdoc}, volume = {47}, number = {2}, year = {1997}, mrnumber = {1476863}, zbl = {1053.05504}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1997__47_2_a1/} }
Breda d'Azevedo, Antonio J. The reflexible hypermaps of characteristic $-2$. Mathematica slovaca, Tome 47 (1997) no. 2, pp. 131-153. http://geodesic.mathdoc.fr/item/MASLO_1997__47_2_a1/