author = { Baumgartner, Udo AND Schlichting, Günter AND Willis, George A. },

title = { Geometric characterization of flat groups of automorphisms },

publisher = {European Mathematical Society - EMS - Publishing House GmbH},

isbn = {1661-7207},

isbn = {1661-7215},

year = {2009},

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