Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1965__162_161342, author = {H.H. SCHAEFER}, title = {\"Uber das {Randspektrum} positiver {Operatoren.}}, journal = {Mathematische Annalen}, pages = {289--293}, publisher = {mathdoc}, volume = {162}, year = {1965}, zbl = {0151.19802}, url = {http://geodesic.mathdoc.fr/item/MAN_1965__162_161342/} }
H.H. SCHAEFER. Über das Randspektrum positiver Operatoren.. Mathematische Annalen, Tome 162 (1965), pp. 289-293. http://geodesic.mathdoc.fr/item/MAN_1965__162_161342/