@article{GDZPPN002236915,
title = {Maximum Principles for Minimal surfaces in R3 Having noncompact boundary and a uniqueness theorem for the helicoid.},
journal = {Manuscripta mathematica},
volume = {86},
year = {1995},
pages = {417-434},
zbl = {0838.53014},
url = {http://dml.mathdoc.fr/item/GDZPPN002236915}
}
Tomi, Friedrich; Ripoll, Jaime. Maximum Principles for Minimal surfaces in R3 Having noncompact boundary and a uniqueness theorem for the helicoid.. Manuscripta mathematica, Tome 86 (1995) pp. 417-434. http://gdmltest.u-ga.fr/item/GDZPPN002236915/