Algebra and Logic · 1976 · 16 citations · 4 references
Natural SciencesCommunicationGroup DynamicsGroup TheoryFree GroupsGroup PresentationsPresentation Of Groups
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P. M. Cohn, Wilhelm Magnus, A. Karrass et al. · American Mathematical Monthly · 1967 · 1.3K citations
Mose Newman · Journal of the Franklin Institute · 1967 · 654 citations
Quasivarieties of algebraic systems
A. I. Budkin · Algebra and Logic · 1975 · 75 citations