Unbounded solutions of the equation ẏ(t)=∑i=1nβi(t)y(t-δi)-y(t-τi). - Josef Diblík; Radoslav Chupác; Miroslava Ruzicková (Appl. Math. Comput., 2013)

Unbounded increasing solutions of a system of difference equations with delays. - Josef Diblík; Radoslav Chupác; Miroslava Ruzicková (Appl. Math. Comput., 2015)