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@article{MZ_1987__195_183709, author = {G. Groenewegen and A. van Rooij}, title = {The {Modulus} of a {Weakly} {Compact} {Operator.}}, journal = {Mathematische Zeitschrift}, pages = {473--480}, publisher = {mathdoc}, volume = {195}, year = {1987}, zbl = {0611.47032}, url = {http://geodesic.mathdoc.fr/item/MZ_1987__195_183709/} }
G. Groenewegen; A. van Rooij. The Modulus of a Weakly Compact Operator.. Mathematische Zeitschrift, Tome 195 (1987), pp. 473-480. http://geodesic.mathdoc.fr/item/MZ_1987__195_183709/