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Classification of epimorphisms of fundamental groups of surfaces onto free groups
R. I. Grigorchuk, P. F. Kurchanov Moscow State University of Transportation
Received: 05.06.1989
Citation:
R. I. Grigorchuk, P. F. Kurchanov, “Classification of epimorphisms of fundamental groups of surfaces onto free groups”, Mat. Zametki, 48:2 (1990), 26–35; Math. Notes, 48:2 (1990), 736–742
Linking options:
https://www.mathnet.ru/eng/mzm3304 https://www.mathnet.ru/eng/mzm/v48/i2/p26
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