@article{CM_1938__5__208_0, author = {Pinl, M.}, title = {Zur Existenztheorie und Klassifikation totalisotroper Fl\"achen}, journal = {Compositio Mathematica}, pages = {208--238}, publisher = {Johnson Reprint Corporation}, volume = {5}, year = {1938}, zbl = {0018.17104}, language = {de}, url = {www.numdam.org/item/CM_1938__5__208_0/} }
Pinl, M. Zur Existenztheorie und Klassifikation totalisotroper Flächen. Compositio Mathematica, Tome 5 (1938) , pp. 208-238. http://www.numdam.org/item/CM_1938__5__208_0/