By Krause M.L.   Ruttimann G.T.   in International Journal of Theoretical Physics

ISSN:0020-7748|37|1|609-621

Springer Publishing Company ‎(1998)‎

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By Edwards C.M.   McCrimmon K.   Ruttimann G.T.   in Journal of Functional Analysis

ISSN:0022-1236|139|1|196-224

Academic Press‎(1996)‎

Access to resources Favorite 12.575312