@article{1077490795,
author = {Bell, P. O.},
title = {Covariant configurations related to analytic curved surfaces},
journal = {Duke Math. J.},
volume = {4},
number = {1},
year = {1938},
pages = { 590-599},
language = {en},
url = {http://dml.mathdoc.fr/item/1077490795}
}
Bell, P. O. Covariant configurations related to analytic curved surfaces. Duke Math. J., Tome 4 (1938) no. 1, pp. 590-599. http://gdmltest.u-ga.fr/item/1077490795/