Iranian Mathematical Society (IMS)Bulletin of the Iranian Mathematical Society1017-060X39520131001POS-groups with some cyclic Sylow
subgroups941957enR. ShenDepartment of Mathematics, Hubei University for Nationalities,
Enshi, Hubei Province, 445000, P. R. ChinaW. J. ShiJ. ShiLMAM & School of Mathematical Sciences, Peking University,
Beijing, 100871, P. R. China20120413