Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{MR_1980__17_a18, author = { and Arthur Engel}, title = {A\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\sigma}\'{o}\ensuremath{\tau}\ensuremath{\eta}\ensuremath{\tau}\ensuremath{\varepsilon}\ensuremath{\varsigma}}, 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 = {117-143}, publisher = {mathdoc}, volume = {17}, year = {1980}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/MR_1980__17_a18/} }
; Arthur Engel. Ανισότητες. Μαθηματική Επιθεώρηση , Tome 17 (1980), p. 117-143. http://geodesic.mathdoc.fr/item/MR_1980__17_a18/