1.

図書
図書
1. Groups and geometric analysis : integral geometry, invariant differential operators, and spherical functions
Sigurdur Helgason
出版情報: Providence, R.I. : American Mathematical Society, 2000, c1984
シリーズ名: Mathematical surveys and monographs ; v. 83
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2.

図書
図書
2. Differential geometry, lie groups, and symmetric spaces
Sigurdur Helgason
出版情報: Providence, R.I. : American Mathematical Society, 2001
シリーズ名: Graduate studies in mathematics ; v. 34
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