@article {MR1145968,
    AUTHOR = {Z{\u{a}}linescu, C.},
     TITLE = {A result on sets, with applications to vector optimization},
   JOURNAL = {Z. Oper. Res.},
  FJOURNAL = {Zeitschrift f\"ur Operations Research. Mathematical Methods of
              Operations Research},
    VOLUME = {35},
      YEAR = {1991},
    NUMBER = {4},
     PAGES = {291--298},
      ISSN = {0340-9422},
   MRCLASS = {90C29 (52A07)},
  MRNUMBER = {MR1145968 (92k:90086)},
MRREVIEWER = {Emil Iwanow},
}