Battelli, FlavianoFlavianoBattelliPalmer, Kenneth J.Kenneth J.Palmer2012-03-092018-06-282012-03-092018-06-282011http://ntur.lib.ntu.edu.tw//handle/246246/238867en-USSmoothness of Asymptotic Phase Revisitedjournal article10.1515/ans-2011-0404