Quasirecognition by the set of element orders of the groups E 6 ( q ) and 2 E 6 ( q ) . Kondrat'ev, A.S. — 2007 Sibirskij Matematicheskij Zhurnal
Recognition of alternating groups of prime degree from their element orders. Kondrat'ev, A.S.; Mazurov, V.D. — 2000 Siberian Mathematical Journal
Finite groups in which the normalizers of Sylow 3-subgroups are of odd or primary index. Kondrat'ev, A.S.; Guo, Wenbin — 2009 Sibirskij Matematicheskij Zhurnal