@article{1183416687,
author = {Eisenhart, L. P.},
title = {Surfaces whose first and second fundamental forms are the second and first respectively of another surface},
journal = {Bull. Amer. Math. Soc.},
volume = {8},
number = {3},
year = {1901},
pages = { 417-423},
language = {en},
url = {http://dml.mathdoc.fr/item/1183416687}
}
Eisenhart, L. P. Surfaces whose first and second fundamental forms are the second and first respectively of another surface. Bull. Amer. Math. Soc., Tome 8 (1901) no. 3, pp. 417-423. http://gdmltest.u-ga.fr/item/1183416687/