@article{PMIHES_1959__3__5_0, author = {Mazur, Barry}, title = {The definition of equivalence of combinatorial imbeddings}, journal = {Publications Math\'ematiques de l'IH\'ES}, volume = {3}, year = {1959}, pages = {5-17}, mrnumber = {116346}, zbl = {0119.38702}, language = {en}, url = {http://dml.mathdoc.fr/item/PMIHES_1959__3__5_0} }
Mazur, Barry. The definition of equivalence of combinatorial imbeddings. Publications Mathématiques de l'IHÉS, Tome 3 (1959) pp. 5-17. http://gdmltest.u-ga.fr/item/PMIHES_1959__3__5_0/