References
- Y. Berkovich, Groups of prime power order, Volume 1, De Gruyter Expositions in Mathematics, Vol. 46, De Gruyter, Berlin, 2008.
- S. Cavior, The subgroups of dihedral groups, Mathematics Magazine 48 (1975), 107. doi: https://doi.org/10.1080/0025570X.1975.11976454
- M. Sved, Gaussians and Binomials, Ars Combinatoria 17A (1984), 325–351.
- W. Zhou, W. Shi, and Z. Duan, A new criterion for finite noncyclic groups, Communications in Algebra 34 (2006), 4453–4457. doi: https://doi.org/10.1080/00927870600938696