Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{MR_1988__34_a0, author = {Mohammad S. Khan and Salvatore Sessa}, title = {Nonconvex sets and fixed points}, journal = {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta} E\ensuremath{\pi}\ensuremath{\iota}\ensuremath{\theta}\ensuremath{\varepsilon}\ensuremath{\acute\omega}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta} }, pages = {1-4}, publisher = {mathdoc}, volume = {34}, year = {1988}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/MR_1988__34_a0/} }
Mohammad S. Khan; Salvatore Sessa. Nonconvex sets and fixed points. Μαθηματική Επιθεώρηση , Tome 34 (1988), p. 1-4. http://geodesic.mathdoc.fr/item/MR_1988__34_a0/