@inproceedings{TUW-111556, author = {B{\"o}lcskei, Helmut and Feichtinger, Gisbert and Hlawatsch, Franz}, title = {Diagonalizing the Gabor frame operator}, booktitle = {Proc. IEEE UK Sympos.}, year = {1995}, pages = {249--255a}, url = {http://publik.tuwien.ac.at/files/pub-et_12528.pdf}, note = {talk: IEEE UK Sympos. Applications of Time-Frequency and Time-Scale Methods, Univ. of Warwick, Coventry, UK; 1995-08-00} }