@article{GDZPPN002433915,
title = {Immersed Spheres in ....2 and S2 x S2.},
journal = {Mathematische Zeitschrift},
volume = {194},
year = {1987},
pages = {51-58},
url = {http://dml.mathdoc.fr/item/GDZPPN002433915}
}
Suciu, Alexander I. Immersed Spheres in ....2 and S2 x S2.. Mathematische Zeitschrift, Tome 194 (1987) pp. 51-58. http://gdmltest.u-ga.fr/item/GDZPPN002433915/