@article{GDZPPN002057352,
title = {On a Class of Null-Bounded RIEMANN Surfaces.},
journal = {Commentarii mathematici Helvetici},
volume = {34},
year = {1960},
pages = {52-66},
zbl = {0113.05702},
url = {http://dml.mathdoc.fr/item/GDZPPN002057352}
}
Royden, H.L. On a Class of Null-Bounded RIEMANN Surfaces.. Commentarii mathematici Helvetici, Tome 34 (1960) pp. 52-66. http://gdmltest.u-ga.fr/item/GDZPPN002057352/