@article{MM2_1977__20_154450,
     author = {K. Behnke and O. Riemenschneider},
     title = {Infinitesimale {Deformationen} von {Diedersingularit\"aten.}},
     journal = {Manuscripta mathematica},
     pages = {377--400},
     publisher = {mathdoc},
     volume = {20},
     year = {1977},
     zbl = {0354.32031},
     url = {http://geodesic.mathdoc.fr/item/MM2_1977__20_154450/}
}