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On a certain way of proving the solvability for boundary value problems

Arnold Y Lepin

Author Affiliations

Institute of Mathematics and Computer Science, University of Latvia, Riga, Latvia

Boundary Value Problems 2014, 2014:111  doi:10.1186/1687-2770-2014-111

Published: 13 May 2014


A certain way of replacing a given boundary value problem by another one, a solution of which solves also the original problem, is considered.

MSC: 34B15.

boundary value problems; upper and lower functions