@inproceedings{TillmannGribonvalPfetsch2014, author = {A.M. Tillmann and R. Gribonval and M.E. Pfetsch}, title = {Projection Onto The Cosparse Set is NP-Hard}, booktitle = {2014 IEEE International Conference on Acoustics, Speech and Signal Processing \(ICASSP\)}, year = {2014}, pages = {7148--7152}, month = {May}, doi = {10.1109/ICASSP.2014.6854987} }