@article{1077491413,
author = {Ulrich, F. E.},
title = {The problem of type for a certain class of Riemann surfaces},
journal = {Duke Math. J.},
volume = {5},
number = {1},
year = {1939},
pages = { 567-589},
language = {en},
url = {http://dml.mathdoc.fr/item/1077491413}
}
Ulrich, F. E. The problem of type for a certain class of Riemann surfaces. Duke Math. J., Tome 5 (1939) no. 1, pp. 567-589. http://gdmltest.u-ga.fr/item/1077491413/