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@article{MZ_1985__190_173627, author = {Anton R. Schep}, title = {Weak {Kato-Inequalities} and {Positive} {Semigroups.}}, journal = {Mathematische Zeitschrift}, pages = {305--314}, publisher = {mathdoc}, volume = {190}, year = {1985}, zbl = {0609.47050}, url = {http://geodesic.mathdoc.fr/item/MZ_1985__190_173627/} }
Anton R. Schep. Weak Kato-Inequalities and Positive Semigroups.. Mathematische Zeitschrift, Tome 190 (1985), pp. 305-314. http://geodesic.mathdoc.fr/item/MZ_1985__190_173627/