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@article{PORMA_1976__35_4_115292, author = {Murphy, James Lee}, title = {A polyhedral 2-sphere which fails to be locally flat at just one point}, journal = {Portugaliae mathematica}, pages = {227--228}, publisher = {mathdoc}, volume = {35}, number = {4}, year = {1976}, mrnumber = {0488067}, zbl = {0372.57011}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1976__35_4_115292/} }
Murphy, James Lee. A polyhedral 2-sphere which fails to be locally flat at just one point. Portugaliae mathematica, Tome 35 (1976) no. 4, pp. 227-228. http://geodesic.mathdoc.fr/item/PORMA_1976__35_4_115292/