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The authors express their thanks to Professor G. Köthe for his hospitality at the Goethe Universität, Frankfurt. We thank also Mr. P. Spuhler for many discussions we had during the preparation of this paper. Support from the Goethe Universität (to E.D.) and from the Humboldt Stiftung (to M.S.R.) is gratefully acknowledged.
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Dubinsky, E., Ramanujan, M.S. Inclusion theorems for absolutely λ-summing maps. Math. Ann. 192, 177–190 (1971). https://doi.org/10.1007/BF02052868
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DOI: https://doi.org/10.1007/BF02052868