@article{1103905449, author = {Bessis, D.}, title = {A new method in the combinatorics of the topological expansion}, journal = {Comm. Math. Phys.}, volume = {64}, number = {3}, year = {1979}, pages = { 147-163}, language = {en}, url = {http://dml.mathdoc.fr/item/1103905449} }
Bessis, D. A new method in the combinatorics of the topological expansion. Comm. Math. Phys., Tome 64 (1979) no. 3, pp. 147-163. http://gdmltest.u-ga.fr/item/1103905449/