@article{MM2_1979__30_154682,
     author = {Ulrich Karras},
     title = {On {Equisingular} {Deformations} of {Cone-Like} {Surface} {Singularities.}},
     journal = {Manuscripta mathematica},
     pages = {223--238},
     publisher = {mathdoc},
     volume = {30},
     year = {1979},
     zbl = {0452.32014},
     url = {http://geodesic.mathdoc.fr/item/MM2_1979__30_154682/}
}