@article{1138845343,
author = {Shiohama, Katsuhiro},
title = {Surfaces of curvatures $\l ambda =\mu =0$ in $E^{4}$},
journal = {Kodai Math. Sem. Rep.},
volume = {19},
number = {1},
year = {1967},
pages = { 75-79},
language = {en},
url = {http://dml.mathdoc.fr/item/1138845343}
}
Shiohama, Katsuhiro. Surfaces of curvatures $łambda =\mu =0$ in $E^{4}$. Kodai Math. Sem. Rep., Tome 19 (1967) no. 1, pp. 75-79. http://gdmltest.u-ga.fr/item/1138845343/