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The Schur multiplier: An elementary approach. (English) Zbl 0502.20003

Groups, Conf. St. Andrews 1981, Lond. Math. Soc. Lect. Note Ser. 71, 137-154 (1982).

MSC:

20C25 Projective representations and multipliers
20F05 Generators, relations, and presentations of groups
20D15 Finite nilpotent groups, \(p\)-groups