Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{MR_1986__30_a7, author = {J. Mittas and Ch. G. Massouros}, title = {Hypergroups defined from a linear space}, 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 = {63-78}, publisher = {mathdoc}, volume = {30}, year = {1986}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/MR_1986__30_a7/} }
J. Mittas; Ch. G. Massouros. Hypergroups defined from a linear space. Μαθηματική Επιθεώρηση , Tome 30 (1986), p. 63-78. http://geodesic.mathdoc.fr/item/MR_1986__30_a7/