vol. 26, no. 2 (2006)

On reconstruction of structure of a linear system with time delay
Marina Blizorukova, Nina Fedina, Vyacheslav Maksimov
Opuscula Math. 26, no. 2 (2006), 257-267, http://dx.doi.org/10.7494/OpMath.2006.26.2.257
On oscillatory solutions of certain difference equations
Grzegorz Grzegorczyk, Jarosław Werbowski
Opuscula Math. 26, no. 2 (2006), 317-326, http://dx.doi.org/10.7494/OpMath.2006.26.2.317