- A. Çivril, “A note on the hardness of sparse approximation”, Information Processing Letters, 113, no. 14-16, 2013,
543 
- J.L. Nelson, V.N. Temlyakov, “On the size of incoherent systems”, Journal of Approximation Theory, 163, no. 9, 2011,
1238 - Rui Wu, Wei Huang, Di-Rong Chen, “The Exact Support Recovery of Sparse Signals With Noise via Orthogonal Matching Pursuit”, IEEE Signal Process. Lett., 20, no. 4, 2013,
403