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2025
It is built from checkable properties of the record itself: whether the article has a DOI, how many independent sources confirmed its data, whether the required fields are filled in, and how recent the latest confirmation is. Disagreement between sources and a missing identifier lower it. A value of 80 or above means the record was published without further checking; 60 to 79 means it is published at reduced confidence, with a manual check advisable. A record verified by an editor by hand is never pushed below 90 by a recalculation. This scores our data about the article, not the article itself.
Abstract An integral problem for hyperbolic system second order with a generalized piecewise-constant argument (GPCA) is investigated. For solution to problem, the method of introducing auxiliary functions is employed alongside Dzhumabaev parametrization method. Solvability conditions of investigated problem derived from non-singularity of a specific matrix. Additionally, an approach for computing an approximate solution is proposed, and we show that it converges to the exact solution.