On rectifiable oscillation of Euler type second order linear differential equations.
On reducibility of linear quasiperiodic systems with bounded solutions.
On relations among dispersions of an oscillatory differential equation
On Second Order Functional Differential Equations and Inequalities with Deviating Arguments.
On second order sublinear oscillation.
On second-order differential equations with nonhomogeneous -Laplacian.
On singular solutions of a magnetohydrodynamic nonlinear boundary layer equation.
On singular solutions of a second order differential equation.
On slow oscillation and nonoscillation in retarded equations.
On Slowly Varying Solutions Of The Linear Second Order Differential Equation
On Solutions of a Differential Equation which are not of Integrable Square.
On solutions of differential equations tending to zero.
On solutions of the Lagerstrom equation
On solutions of the vector functional equation y(...(x)) = f(x) * A * y(x).
On some boundary value problems for second order nonlinear differential equations
We investigate two boundary value problems for the second order differential equation with -Laplacian where , are continuous positive functions on . We give necessary and sufficient conditions which guarantee the existence of a unique (or at least one) positive solution, satisfying one of the following two boundary conditions:
On some classes of almost periodic functions in abstract spaces.
On some continuities of phases theory and WKB method for linear differential equation of the second order
On some possible extensions of Massera's theorem.
On some problems in the oscillation theory of self-adjoint linear differential equations
On some properties of functions relative to the classes of certain factor spaces