Communications in Mathematics, vol.26, no.1, pp.1-10, 2018 (Scopus)
© 2018 Mustafa Saltan, published by Sciendo.In this paper, we first give several properties with respect to subgroups of self-similar groups in the sense of iterate function system (IFS). We then prove that some subgroups of p-adic numbers p are strong self-similar in the sense of IFS.