%0 Journal Article %A Taghvasani, Leyli Jafari %A Marzang, Soran %A Zarrin, Mohammad %T On the number of isomorphism classes of derived subgroups %J Czechoslovak Mathematical Journal %D 2019 %P 665-670 %V 69 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2018.0464-17/ %R 10.21136/CMJ.2018.0464-17 %G en %F 10_21136_CMJ_2018_0464_17