ID:DA00980270
Betsch, G.
同姓同名の著者を検索
edited by Gerhard Betsch, Karl Heinrich Hofmann
Walter de Gruyter c2005
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edited by Gerhard Betsch
North-Holland 1987 North-Holland mathematics studies 137
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edited by G. Ferrero e C. Ferrero Cotti : with the cooperation of G. Betsch ... [et al.] : sponsored by Università degli Studi di Parma
Istituto di Matematica della Università di Parma [1981]
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von Gerhard Betsch
[Eberhard-Karls-Universität zu Tübingen] 1963
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