@article{05695585, title = {Folding on the wedge sum of graphs and their fundamental group.}, journal = {APPS. Applied Sciences}, volume = {12}, year = {2010}, pages = {14-19}, zbl = {1194.05135}, language = {en}, url = {http://dml.mathdoc.fr/item/05695585} }
Abu-Saleem, M. Folding on the wedge sum of graphs and their fundamental group.. APPS. Applied Sciences, Tome 12 (2010) pp. 14-19. http://gdmltest.u-ga.fr/item/05695585/