(1)
Korolyuk, V. S.; Lukovsky, I. O.; Perestyuk, N. A.; Pratsiovytyi, M. V.; Samoilenko, A. M.; Yakovets, V. P. Mykola Ivanovych Shkil’ (on His 80th Birthday). Ukr. Mat. Zhurn. 2012, 64, 1720-1722.