@article {pfander-07,
    AUTHOR = {Pfander, G{\"o}tz E.},
     TITLE = {Note on sparsity in signal recovery and in matrix
              identification},
   JOURNAL = {Open Appl. Math. J.},
  FJOURNAL = {Open Applied Mathematics Journal},
    VOLUME = {1},
      YEAR = {2007},
     PAGES = {21--22},
      ISSN = {1874-1142},
   MRCLASS = {94A12},
  MRNUMBER = {2366651 (2008i:94016)},
       DOI = {10.2174/1874114200701010022},
       URL = {http://dx.doi.org/10.2174/1874114200701010022},
}