A study concerning the congruence subgroups of the modular group

An edition of A study concerning the congruence subgroups of the modular group (1950)

A study concerning the congruence subgroups of the modular group

By Jakob Nielsen

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Publish Date

1950

Publisher

I kommission hos Munksgaard

Language

eng

Pages

Description:

subjects: Topology, Congruences (Geometry)