@article{GDZPPN00241547X,
title = {A Pertubation Theorem for Surfaces of Constant Mean Curvature.},
journal = {Mathematische Zeitschrift},
volume = {142},
year = {1975},
pages = {253-264},
zbl = {0295.53003},
url = {http://dml.mathdoc.fr/item/GDZPPN00241547X}
}
Tomi, Friedrich. A Pertubation Theorem for Surfaces of Constant Mean Curvature.. Mathematische Zeitschrift, Tome 142 (1975) pp. 253-264. http://gdmltest.u-ga.fr/item/GDZPPN00241547X/