Senashov V. I. Almost layer-finite groups // Proceedings of the 22nd Annual Iranian Mathematics Conference / ed. M.R. R. Moghaddam. — Iran, Ferdousi University of Mashhad, 1992. — P. 291–295.
Shunkov V. P. Theorem of Embedding for P-Elements in Group // Proceedings of the 22nd Annual Iranian Mathematics Conference / ed. M.R. R. Moghaddam — Iran, Ferdousi University of Mashhad, 1992. — P. 303–306.