Two-point boundary value problems for second order functional differential equations.
On a two-point boundary value problem for second order functional differential equations.
On a periodic boundary value problem for second-order linear functional differential equations.
On two-point boundary value problems for two-dimensional differential systems with singularities.
On periodic solutions of second order functional differential equations.
On a two-point boundary value problem for second order functional differential equations. II.
On a two-point boundary value problem for second-order functional-differential equations. I.
An optimal condition for the uniqueness of a periodic solution for linear functional differential systems.
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