@article{CM_1987__61_1_103_0,
     author = {Behnke, Kurt and Kn\"orrer, Horst},
     title = {On infinitesimal deformations of rational surface singularities},
     journal = {Compositio Mathematica},
     pages = {103--127},
     publisher = {Martinus Nijhoff Publishers},
     volume = {61},
     number = {1},
     year = {1987},
     mrnumber = {879191},
     zbl = {0615.14001},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1987__61_1_103_0/}
}