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Normal Subgroups of Prescribed Order and Zero Level of the Modular Group and Related Groups
Mason, A. W., Pride, S. J.Volume:
s2-42
Language:
english
Journal:
Journal of the London Mathematical Society
DOI:
10.1112/jlms/s2-42.3.465
Date:
December, 1990
File:
PDF, 214 KB
english, 1990