This article is cited in 1 paper

On some functional-differential equation

N. P. Evlampiev^a, A. M. Sidorov^b, I. E. Filippov<sup>b

a</sup> "Intek Plus", Kazan, 420066 Russia
^b Kazan Federal University, Kazan, 420008 Russia

Abstract: The necessary and sufficient conditions for the existence and uniqueness of a solution of the problem for the functional-differential equation are established. The special case of this equation is the functional-differential equation deduced previously by us for the distribution density of light brightness in the interstellar space when there are some absorbing clouds distributed uniformly in the equatorial plane of the Galaxy and having different optical transparency.

Keywords: functional-differential equation, existence theorem, uniqueness of solution.

UDC: 517.929

Received: 22.09.2015

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