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The orientability of subgroups of plane groups. (English) Zbl 0489.20036

Groups, Conf. St. Andrews 1981, Lond. Math. Soc. Lect. Note Ser. 71, 221-227 (1982).

MSC:

20H10 Fuchsian groups and their generalizations (group-theoretic aspects)
20F05 Generators, relations, and presentations of groups
20F65 Geometric group theory

Citations:

Zbl 0483.00004