@article{1077491223,
author = {Grant, Anna},
title = {Surfaces of negative curvature and permanent regional transitivity},
journal = {Duke Math. J.},
volume = {5},
number = {1},
year = {1939},
pages = { 207-229},
language = {en},
url = {http://dml.mathdoc.fr/item/1077491223}
}
Grant, Anna. Surfaces of negative curvature and permanent regional transitivity. Duke Math. J., Tome 5 (1939) no. 1, pp. 207-229. http://gdmltest.u-ga.fr/item/1077491223/