@article{GDZPPN002427923,
title = {A Sufficient Condition for a Compact Immersion to be Spherical.},
journal = {Mathematische Zeitschrift},
volume = {183},
year = {1983},
pages = {407-412},
zbl = {0498.53040},
url = {http://dml.mathdoc.fr/item/GDZPPN002427923}
}
Markvorsen, Stehen. A Sufficient Condition for a Compact Immersion to be Spherical.. Mathematische Zeitschrift, Tome 183 (1983) pp. 407-412. http://gdmltest.u-ga.fr/item/GDZPPN002427923/