Robinson, D. J. (1996). A course in the theory of groups. New York: Springer.
Trích dẫn kiểu ChicagoRobinson, Derek J.S. A Course in the Theory of Groups. New York: Springer, 1996.
Deismireacht MLARobinson, Derek J.S. A Course in the Theory of Groups. New York: Springer, 1996.
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