MathSciNet bibliographic data MR2735983 (2011i:90096) 90C26 (65K10 90C46 90C90) Chen, Xiaojun; Xu, Fengmin; Ye, Yinyu Lower bound theory of nonzero entries in solutions of $\ell\sb 2$$\ell\sb 2$-$\ell\sb p$$\ell\sb p$ minimization. SIAM J. Sci. Comput. 32 (2010), no. 5, 2832–2852. Article

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