All-Ukrainian scientific conference “New approaches to the solution of differential equations”

Ptashnik, B. I., and A. M. Samoilenko. “All-Ukrainian Scientific Conference ‘New Approaches to the Solution of Differential equations’”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 50, no. 3, Mar. 1998, pp. 454–455, https://umj.imath.kiev.ua/index.php/umj/article/view/4949.