Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{EUG_1996__45_a14, author = {Dimitrios E. Kalikakis}, title = {A {Geometric} {Intrepertation} for the {Hans} {Lewy} {Operator}}, journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma} }, pages = {125-128}, publisher = {mathdoc}, volume = {45}, year = {1996}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/EUG_1996__45_a14/} }
Dimitrios E. Kalikakis. A Geometric Intrepertation for the Hans Lewy Operator. Ευκλείδης Γ , Tome 45 (1996), p. 125-128. http://geodesic.mathdoc.fr/item/EUG_1996__45_a14/