References
- J. Algebra v.144 no.2 On the order of the commutator subgroup and the Schur multiplier of a finite p-group Ya. G. Berkovich https://doi.org/10.1016/0021-8693(91)90106-I
- Math Z. v.89 Multiplicators and groups with finite central factor groups J.Wiegold https://doi.org/10.1007/BF01112166