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@article{AA_1991_3_3_a5, author = {Manfred M\"oller}, title = {Isometric and contractive operators in {Kre\v\i} n spaces}, journal = {Algebra i analiz}, pages = {110--126}, publisher = {mathdoc}, volume = {3}, number = {3}, year = {1991}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AA_1991_3_3_a5/} }
Manfred Möller. Isometric and contractive operators in Kre\v\i n spaces. Algebra i analiz, Tome 3 (1991) no. 3, pp. 110-126. http://geodesic.mathdoc.fr/item/AA_1991_3_3_a5/