@article {MR517753,
    AUTHOR = {Z{\u{a}}linescu, Constantin},
     TITLE = {A generalization of the {F}arkas lemma and applications to
              convex programming},
   JOURNAL = {J. Math. Anal. Appl.},
  FJOURNAL = {Journal of Mathematical Analysis and Applications},
    VOLUME = {66},
      YEAR = {1978},
    NUMBER = {3},
     PAGES = {651--678},
      ISSN = {0022-247X},
     CODEN = {JMANAK},
   MRCLASS = {90C25 (46G99)},
  MRNUMBER = {MR517753 (82f:90082)},
       DOI = {10.1016/0022-247X(78)90260-3},
       URL = {http://dx.doi.org/10.1016/0022-247X(78)90260-3},
}