On the oscillation of a linear differential equation of second order Ján Ohriska (1989) Czechoslovak Mathematical Journal Similarity:
Asymptotic properties of solutions of an n -th order nonlinear differential equation with deviating argument Vincent Šoltés (1981) Archivum Mathematicum Similarity:
Integral criteria of oscillation for a third order linear differential equation Anton Škerlík (1995) Mathematica Slovaca Similarity: