@article{GDZPPN002432145,
title = {On the Fundamental Group of a Visibility Manifold.},
journal = {Mathematische Zeitschrift},
volume = {192},
year = {1986},
pages = {347-352},
zbl = {0596.53035},
url = {http://dml.mathdoc.fr/item/GDZPPN002432145}
}
Schroeder, V. On the Fundamental Group of a Visibility Manifold.. Mathematische Zeitschrift, Tome 192 (1986) pp. 347-352. http://gdmltest.u-ga.fr/item/GDZPPN002432145/