Geodesic
On a discrete extremal problem with constraints
Teoriâ slučajnyh processov, Tome 25 (2020) no. 2, pp. 89-92.

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The results on the existence of solutions for some discrete extremal problems with constraints were established. As an application the existence of a solution of a nonlinear eigenvalue problem was obtained.
Keywords: Discrete extremal problems with constraints, discrete nonlinear Schredinger type equations, minimizing sequence, finite-dimensional extremal problems. 
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N. V. Zakharchenko; L. I. Nakonechna. On a discrete extremal problem with constraints. Teoriâ slučajnyh processov, Tome 25 (2020) no. 2, pp. 89-92. http://geodesic.mathdoc.fr/item/THSP_2020_25_2_a8/

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