@article{paperid:1004248, author = {کامیابی گل, رجبعلی}, title = {A necessary condition for Weyl-Heisenberg frames}, journal = {Bulletin of the Iranian Mathematical Society}, year = {2004}, volume = {30}, number = {2}, month = {April}, issn = {1735-8515}, pages = {67--69}, numpages = {2}, keywords = {قاب; گروه ویل-هایزنبرگ; قاب ویل-هایزنبرگ}, }