Jubilees Mykola I. Shkil' (on his 60th birthday)

EditorialBoard. “Jubilees Mykola I. Shkil’ (on His 60th Birthday)”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 45, no. 2, Feb. 1993, pp. 303-4, https://umj.imath.kiev.ua/index.php/umj/article/view/5813.