@article{MM2_1979__28_154630,
     author = {Erhard Heinz},
     title = {\"Uber eine {Verallgemeinerung} des {Plateauschen} {Problems.}},
     journal = {Manuscripta mathematica},
     pages = {81--88},
     publisher = {mathdoc},
     volume = {28},
     year = {1979},
     zbl = {0415.49027},
     url = {http://geodesic.mathdoc.fr/item/MM2_1979__28_154630/}
}