الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
Mathematical modelling of real-life problems usually results in functional equation, the initial
value problem of the di erential equations and integral equations. Many mathematical
formulation of physical phenomena contain di erential equations, functional equation and
functional di erential equations. The theory of integral operators, integral equations and
di erential equations are important parts of nonlinear analysis. It is caused by the fact
that this theories are frequently applicable in other branches of mathematics and in mathematical
physics, biology as well in describing problems connected with real world. Our
aim in this thesis is to consider the question of the existence and uniqueness of solutions of
the functional equations with parameter and constrained problem of a functional integral
equation.