(1)
KorolyukV. S.; LukovskyI. O.; PerestyukN. A.; PratsiovytyiM. V.; SamoilenkoA. M.; YakovetsV. P. Mykola Ivanovych Shkil’ (on His 80th Birthday). Ukr. Mat. Zhurn. 2012, 64, 1720-1722.