author = { Kapovich, Ilya AND Lustig, Martin },

title = { Seven steps to happiness },

publisher = {Max-Planck-Inst. für Mathematik},

keywords = { Forschungsbericht },

year = {2011},

booktitle = {MPIM / Max-Planck-Institut für Mathematik, Bonn ; 2011,21},

address = { Bonn },

url = { http://slubdd.de/katalog?TN_libero_mab2 }