@article{MM2_1986__55_155141,
     author = {Joachim B\"uch},
     title = {Bifurkation von {Minimalfl\"achen} und elementare {Katastrophen.}},
     journal = {Manuscripta mathematica},
     pages = {269--306},
     publisher = {mathdoc},
     volume = {55},
     year = {1986},
     zbl = {0628.58007},
     url = {http://geodesic.mathdoc.fr/item/MM2_1986__55_155141/}
}