Singular Cauchy initial value problem for certain classes of integro-differential equations.
Multipoint singular boundary-value problem for systems of nonlinear differential equations.
On connection between second-order delay differential equations and integrodifferential equations with delay.
The existence and asymptotic behaviour of solutions of certain class of the integro-differential equations
On the critical case in oscillation for differential equations with a single delay and with several delays.
Stability of nonlinear autonomous quadratic discrete systems in the critical case.
Convergence tests for one scalar differential equation with vanishing delay
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