Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMJ_1998__48_4_a11, author = {Scheffold, Egon}, title = {\"Uber symmetrische {Operatoren} auf {Banachverb\"anden} und {Arens-Regularit\"at}}, journal = {Czechoslovak Mathematical Journal}, pages = {747--753}, publisher = {mathdoc}, volume = {48}, number = {4}, year = {1998}, mrnumber = {1658261}, zbl = {0954.46012}, language = {ge}, url = {http://geodesic.mathdoc.fr/item/CMJ_1998__48_4_a11/} }
Scheffold, Egon. Über symmetrische Operatoren auf Banachverbänden und Arens-Regularität. Czechoslovak Mathematical Journal, Tome 48 (1998) no. 4, pp. 747-753. http://geodesic.mathdoc.fr/item/CMJ_1998__48_4_a11/