On Invariant Closed Curves for One-Step Methods.
On Kneser problem for differential equations of the 3rd order
On Kneser-type solutions of sublinear ordinary differential equations
On -solutions of the differential equation
On -quasi-derivatives for solutions of perturbed general quasi-differential equations
This paper is concerned with square integrable quasi-derivatives for any solution of a general quasi-differential equation of th order with complex coefficients , provided that all th quasi-derivatives of solutions of and all solutions of its normal adjoint are in and under suitable conditions on the function .
On Levin΄s Comparison Theorem
On limit properties of phases and of central dispersions in the oscillatory equation with a periodic coefficient
On linear differential equations of higher odd order
On lopsided systems.
On Lyapunov transformations of linear systems of implicit differential equations
On Max Muller's existence-comparison theorem for infinite systems of ordinary differential equations
On Meromorphic Solutions of First-Order Differential Equations
On minimal periods of functional-differential equations and difference inclusions
We prove several results on lower bounds for the periods of periodic solutions of some classes of functional-differential equations in Hilbert and Banach spaces and difference inclusions in Hilbert spaces.
On monotone solutions of the fourth order ordinary differential equations
On th order differential equations over Hardy fields
On nondecreasing singular solutions of the Emden-Fowler equation.
On non-existence of periodic solutions of an important differential equation
On nonincreasing singular solutions to the Emden-Fowler equation.
On nonlinear differential systems with deviating arguments
On non-oscillation on semi-axis of solutions of second order deviating differential equations
We obtain conditions for existence and (almost) non-oscillation of solutions of a second order linear homogeneous functional differential equations without the delay conditions , , and