E. J. Candès, M. B. Wakin, and S. P. Boyd, Enhancing sparsity by reweighted l1 minimization, J. Fourier Anal. Appl, vol.14, pp.5-6, 2008.

G. Gasso, A. Rakotomamonjy, and S. Canu, Recovering Sparse Signals With a Certain Family of Nonconvex Penalties and DC Programming, IEEE Transactions on Signal Processing, vol.57, issue.12, pp.4686-4698, 2009.
DOI : 10.1109/TSP.2009.2026004

URL : https://hal.archives-ouvertes.fr/hal-00439453

A. Gramfort, M. Kowalski, and M. Hämäläinen, Mixed-norm estimates for the M/EEG inverse problem using accelerated gradient methods, Physics in Medicine and Biology, vol.57, issue.7, pp.1937-1961, 2012.
DOI : 10.1088/0031-9155/57/7/1937

URL : https://hal.archives-ouvertes.fr/hal-00690774

A. Rakotomamonjy, Surveying and comparing simultaneous sparse approximation (or group-lasso) algorithms, Signal Processing, vol.91, issue.7, pp.1505-1526, 2011.
DOI : 10.1016/j.sigpro.2011.01.012

URL : https://hal.archives-ouvertes.fr/hal-00328185

A. Gramfort, D. Strohmeier, J. Haueisen, M. S. Hämäläinen, and M. Kowalski, Time-frequency mixed-norm estimates: Sparse M/EEG imaging with non-stationary source activations, NeuroImage, vol.70, pp.410-422, 2013.
DOI : 10.1016/j.neuroimage.2012.12.051

URL : https://hal.archives-ouvertes.fr/hal-00773276

P. Tseng, Approximation accuracy, gradient methods, and error bound for structured convex optimization, Mathematical Programming, vol.68, issue.12, pp.263-295, 2010.
DOI : 10.1007/s10107-010-0394-2

V. Roth and B. Fischer, The Group-Lasso for generalized linear models, Proceedings of the 25th international conference on Machine learning, ICML '08
DOI : 10.1145/1390156.1390263

A. Gramfort, M. Luessi, E. Larson, D. A. Engemann, D. Strohmeier et al., MNE software for processing MEG and EEG data, NeuroImage, vol.86, pp.446-460, 2014.
DOI : 10.1016/j.neuroimage.2013.10.027

A. Beck and M. Teboulle, A Fast Iterative Shrinkage-Thresholding Algorithm for Linear Inverse Problems, SIAM Journal on Imaging Sciences, vol.2, issue.1, pp.183-202, 2009.
DOI : 10.1137/080716542