BerezanskyYu. M., GorbachukM. L., KorolyukV. S., KoshlyakovV. N., LukovskyI. O., MakarovV. L., PerestyukN. A., SamoilenkoA. M., SamoilenkoYu. I., StepanetsO. I., TamrazovP. M., TrohimchukYu. Yu, SharkoV. V., and SharkovskyO. M. 2007. “On the 90th Birthday of Yurii Alekseevich Mitropol’skii”. Ukrains’kyi Matematychnyi Zhurnal 59 (2), 147–151. https://umj.imath.kiev.ua/index.php/umj/article/view/3299.