@article{1183503697, author = {Tompkins, C.}, title = {A flat Klein bottle isometrically embedded in euclidean 4-space}, journal = {Bull. Amer. Math. Soc.}, volume = {47}, number = {11}, year = {1941}, language = {en}, url = {http://dml.mathdoc.fr/item/1183503697} }
Tompkins, C. A flat Klein bottle isometrically embedded in euclidean 4-space. Bull. Amer. Math. Soc., Tome 47 (1941) no. 11, . http://gdmltest.u-ga.fr/item/1183503697/