Asymptotic behaviour of solutions of a linear differential equation Jozef Rovder — 1986 Archivum Mathematicum
Nonoscillatory solutions of n th order nonlinear differential equation Jozef Rovder — 1982 Časopis pro pěstování matematiky
Niektoré vlastnosti diferenciálnej rovnice y ' ' + f ( x ) | y | = 0 Jozef Rovder — 1970 Matematický časopis
Niektoré vlastnosti diferenciálnej rovnice y ' ' + f ( x ) | y | = 0 Jozef Rovder — 1969 Matematický časopis
Oscillation criteria for third-order linear differential equations Jozef Rovder — 1975 Matematický časopis
Zeros of the Polynomial Solutions of the Differential Equation x y ' ' + ( β 0 + β 1 x + β 2 x 2 ) y ' + ( γ - n β 2 x ) y = 0 Jozef Rovder — 1974 Matematický časopis
Asymptotic behaviour of solutions of the differential equation of the fourth order Jozef Rovder — 1980 Mathematica Slovaca
A note on comparison theorems for third-order linear differential equations Jozef Rovder — 1976 Mathematica Slovaca
Three point value problem for third-order linear differential equation Jozef Rovder — 1977 Mathematica Slovaca
Oscillatory properties of the fourth order linear differential equation Jozef Rovder — 1983 Mathematica Slovaca
On nonoscillatory solutions of a class of nonlinear differential equations Ján Mikunda; Jozef Rovder — 1986 Mathematica Slovaca