@article{bwmeta1.element.bwnjournal-article-fmv120i1p1bwm, author = {V. Bryant}, title = {Undirected strict gammoids}, journal = {Fundamenta Mathematicae}, volume = {123}, year = {1984}, pages = {1-5}, zbl = {0539.05023}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv120i1p1bwm} }
Bryant, V. Undirected strict gammoids. Fundamenta Mathematicae, Tome 123 (1984) pp. 1-5. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv120i1p1bwm/