Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1970__184_161927, author = {G. MAIBAUM}, title = {\"Uber {Scharen} positiver {Operatoren.}}, journal = {Mathematische Annalen}, pages = {238--256}, publisher = {mathdoc}, volume = {184}, year = {1970}, zbl = {0176.10504}, url = {http://geodesic.mathdoc.fr/item/MAN_1970__184_161927/} }
G. MAIBAUM. Über Scharen positiver Operatoren.. Mathematische Annalen, Tome 184 (1970), pp. 238-256. http://geodesic.mathdoc.fr/item/MAN_1970__184_161927/