@article{1077473116,
author = {Wilkins, Jr., J. Ernest},
title = {A special class of surfaces in projective differential geometry, II},
journal = {Duke Math. J.},
volume = {12},
number = {1},
year = {1945},
pages = { 397-408},
language = {en},
url = {http://dml.mathdoc.fr/item/1077473116}
}
Wilkins, Jr., J. Ernest. A special class of surfaces in projective differential geometry, II. Duke Math. J., Tome 12 (1945) no. 1, pp. 397-408. http://gdmltest.u-ga.fr/item/1077473116/