Sparse signal approximation algorithms in a CELP coder. - Przemyslaw Dymarski; Rafal Romaniuk (EUSIPCO, 2011)

Sparse signal modeling in a scalable CELP coder. - Przemyslaw Dymarski; Rafal Romaniuk (EUSIPCO, 2013)

Modified sphere decoding algorithms and their applications to some sparse approximation problems. - Przemyslaw Dymarski; Rafal Romaniuk (EUSIPCO, 2014)