On oscillatory solutions of the system of differential equations with deviating arguments Miroslav Bartušek (1985) Czechoslovak Mathematical Journal Similarity:
On oscillatory solutions of differential inequalities Miroslav Bartušek (1992) Czechoslovak Mathematical Journal Similarity:
On proper oscillatory solutions of the nonlinear differential equations of the n -th order Miroslav Bartušek (1988) Archivum Mathematicum Similarity: