@article{MM2_1972__7_154105,
     author = {Fritz Peter Harth},
     title = {Minimalfl\"achen mit freiem {Rand} in {Riemannschen} {Mannigfaltigkeiten.}},
     journal = {Manuscripta mathematica},
     pages = {35--54},
     publisher = {mathdoc},
     volume = {7},
     year = {1972},
     zbl = {0237.49027},
     url = {http://geodesic.mathdoc.fr/item/MM2_1972__7_154105/}
}