On some continuous and discrete equations in Banach spaces on unbounded intervals. - Ireneusz Kubiaczyk; P. Majcher (Appl. Math. Comput., 2003)

New oscillation criteria for first order nonlinear neutral delay differential equations. - Ireneusz Kubiaczyk; S. H. Saker; Jaroslaw Morchalo (Appl. Math. Comput., 2003)

Asymptotic behaviour of solutions of nonlinear delay difference equations in Banach spaces. - Anna Kisiolek; Ireneusz Kubiaczyk (Int. J. Math. Math. Sci., 2005)