MathSciNet bibliographic data MR1963681 94A29 (94A12) Donoho, David L.; Elad, Michael Optimally sparse representation in general (nonorthogonal) dictionaries via \$l\sp 1\$$l\sp 1$ minimization. Proc. Natl. Acad. Sci. USA 100 (2003), no. 5, 2197–2202 (electronic). Article

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