@article{GDZPPN002435578,
title = {Surface Minimizing Area in Their Homology Class and Group Actions on 3-Manifolds.},
journal = {Mathematische Zeitschrift},
volume = {199},
year = {1988},
pages = {501-510},
zbl = {0715.57005},
url = {http://dml.mathdoc.fr/item/GDZPPN002435578}
}
Hass, Joel. Surface Minimizing Area in Their Homology Class and Group Actions on 3-Manifolds.. Mathematische Zeitschrift, Tome 199 (1988) pp. 501-510. http://gdmltest.u-ga.fr/item/GDZPPN002435578/