Almost periodic transformable difference systems. - Petr Hasil; Michal Veselý (Appl. Math. Comput., 2012)

Friedrichs extension of operators defined by even order Sturm-Liouville equations on time scales. - Petr Zemánek; Petr Hasil (Appl. Math. Comput., 2012)

Limit periodic homogeneous linear difference systems. - Petr Hasil; Michal Veselý (Appl. Math. Comput., 2015)

Adapted Riccati technique and non-oscillation of linear and half-linear equations. - Petr Hasil; Jenifer Juranek; Michal Veselý (Appl. Math. Lett., 2018)

Modified Prüfer angle and conditional oscillation of perturbed linear and half-linear differential equations. - Petr Hasil; Michal Veselý (Appl. Math. Comput., 2019)

Averaging technique and oscillation criterion for linear and half-linear equations. - Petr Hasil; J. Sisoláková; Michal Veselý (Appl. Math. Lett., 2019)

Positivity of solutions of adapted generalized Riccati equation with consequences in oscillation theory. - Petr Hasil; Michal Veselý (Appl. Math. Lett., 2021)

Modification of adapted Riccati equation and oscillation of linear and half-linear difference equations. - Petr Hasil; Michal Veselý (Appl. Math. Lett., 2023)