Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{DEME_1974__15_a15, author = {Grigorios Tsagas}, title = {On the {Surfaces} {Whose} {Normal} {Bundles} {Have} {Special} {Properties}}, journal = {\ensuremath{\Delta}\ensuremath{\varepsilon}\ensuremath{\lambda}\ensuremath{\tau}\ensuremath{\acute\iota}o \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} E\ensuremath{\lambda}\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}\ensuremath{\varsigma} M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}\ensuremath{\varsigma} E\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\iota}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\alpha}\ensuremath{\varsigma} }, pages = {59-67}, publisher = {mathdoc}, volume = {15}, year = {1974}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/DEME_1974__15_a15/} }
Grigorios Tsagas. On the Surfaces Whose Normal Bundles Have Special Properties. Δελτίο της Ελληνικής Μαθηματικής Εταιρίας , Tome 15 (1974), p. 59-67. http://geodesic.mathdoc.fr/item/DEME_1974__15_a15/