@article{JRAM_1977__0293_0294_151888,
     author = {Karl Strubecker},
     title = {\"Uber die isotropoen {Gegenst\"ucke} der {Minimalfl\"ache} von {Scherk.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {22--51},
     publisher = {mathdoc},
     volume = {0293_0294},
     year = {1977},
     zbl = {0349.53008},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1977__0293_0294_151888/}
}