Summary
Gitta Kutyniok , Jakob Lemvig and Wang-Q Lim (2012) Shearlets and Optimally Sparse Approximations. In Shearlets: Multiscale Analysis for Multivariate Data. (D. Labate and G. Kutyniok, Eds.), Springer. 
Bibtex entry
@INBOOK { Kutyniok12Optimally,
AUTHOR = { Gitta Kutyniok and Jakob Lemvig and Wang-Q Lim },
TITLE = { Shearlets and Optimally Sparse Approximations },
EDITOR = { D. Labate and G. Kutyniok },
PUBLISHER = { Springer },
BOOKTITLE = { Shearlets: Multiscale Analysis for Multivariate Data },
YEAR = { 2012 },
PDF = { /lemvig_9.pdf },
TAG = { otherpub },
}