Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{DEME_1973__14_a16, author = {John Papadakis}, title = {A {Boundary} value {Problem} for {Equations} of mixed type}, 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 = {157-171}, publisher = {mathdoc}, volume = {14}, year = {1973}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/DEME_1973__14_a16/} }
John Papadakis. A Boundary value Problem for Equations of mixed type. Δελτίο της Ελληνικής Μαθηματικής Εταιρίας , Tome 14 (1973), p. 157-171. http://geodesic.mathdoc.fr/item/DEME_1973__14_a16/