Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{PORMA_1972__31_1_115159, author = {Schleusner, John}, title = {Note on some characteristic properties of functions of the second kind}, journal = {Portugaliae mathematica}, pages = {13--19}, publisher = {mathdoc}, volume = {31}, number = {1}, year = {1972}, mrnumber = {0304733}, zbl = {0252.33011}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1972__31_1_115159/} }
Schleusner, John. Note on some characteristic properties of functions of the second kind. Portugaliae mathematica, Tome 31 (1972) no. 1, pp. 13-19. http://geodesic.mathdoc.fr/item/PORMA_1972__31_1_115159/