Items where Author is "Grigorchuk, R. L."
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Grigorchuk, R. L. and Bartholdi, L. (1999) On the spectrum of Hecke type operators related to some fractal groups. MPIM Preprint Series 1999 (116).
Grigorchuk, R. L. and Bartholdi, L. (1999) On the spectrum of Hecke type operators related to some fractal groups. MPIM Preprint Series 1999 (116).