@article {MR1484693,
    AUTHOR = {Crouzeix, J. P. and Ferland, J. A. and Z{\u{a}}linescu, C.},
     TITLE = {{$\alpha$}-convex sets and strong quasiconvexity},
   JOURNAL = {Math. Oper. Res.},
  FJOURNAL = {Mathematics of Operations Research},
    VOLUME = {22},
      YEAR = {1997},
    NUMBER = {4},
     PAGES = {998--1022},
      ISSN = {0364-765X},
   MRCLASS = {90C26 (52A41)},
  MRNUMBER = {MR1484693 (98k:90078)},
MRREVIEWER = {Giorgio Giorgi},
       DOI = {10.1287/moor.22.4.998},
       URL = {http://dx.doi.org/10.1287/moor.22.4.998},
}