author = { Pelayo, Alvaro AND Ratiu, Tudor S. },

title = { Circle-valued momentum maps for symplectic periodic flows },

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

isbn = {0013-8584},

isbn = {2309-4672},

year = {2012},

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