Eigenvalues of the Laplacian, the First Betti Number and the Congruence Subgroup Problem
Keyword(s):
1989 ◽
Vol 1989
(402)
◽
pp. 138-152
Keyword(s):
1982 ◽
pp. 197-207
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Keyword(s):
2004 ◽
Vol 114
(4)
◽
pp. 299-308
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1967 ◽
Vol 33
(1)
◽
pp. 59-137
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