@article {pfander-walnut-06, AUTHOR = {Pfander, G{\"o}tz E. and Walnut, David F.}, TITLE = {Operator identification and {F}eichtinger's algebra}, JOURNAL = {Sampl. Theory Signal Image Process.}, FJOURNAL = {Sampling Theory in Signal and Image Processing. An International Journal}, VOLUME = {5}, YEAR = {2006}, NUMBER = {2}, PAGES = {183--200}, ISSN = {1530-6429}, MRCLASS = {47G30 (42B35 43A35 47B10 47B38 81S30 94A12)}, MRNUMBER = {2233971 (2008c:47079)}, }