@article{MM2_1981__35_154803,
     author = {S. Hildebrandt and M. Gr\"uter and ..},
     title = {On the {Boundary} {Behaviour} of {Minimal} {Surfaces} with a {Free} {Boundary} which are not {Minima} of the {Area.}},
     journal = {Manuscripta mathematica},
     pages = {387--410},
     publisher = {mathdoc},
     volume = {35},
     year = {1981},
     url = {http://geodesic.mathdoc.fr/item/MM2_1981__35_154803/}
}