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<url><loc>https://mirtitles.org/2026/10/20/problems-in-mathematics-with-hints-and-solutions-by-v-govorov-p-dybov-n-miroshin-s-smirnova-2/</loc><news:news><news:publication><news:name>Mir Books</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-10-20T01:45:59+00:00</news:publication_date><news:title>Problems In Mathematics With Hints And Solutions by V. Govorov; P. Dybov; N. Miroshin; S. Smirnova</news:title><news:keywords>mathematics, problems and solutions, problem books, soviet literature</news:keywords></news:news></url><url><loc>https://mirtitles.org/2026/10/19/numerical-methods-in-extremal-problems-by-b-n-pshenichny-yu-m-danilin/</loc><news:news><news:publication><news:name>Mir Books</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-10-19T01:50:59+00:00</news:publication_date><news:title>Numerical Methods In Extremal Problems by B. N. Pshenichny; Yu. M. Danilin</news:title><news:keywords>algorithms, soviet literature, extremal problems, mathematical programming, convex programming, minimization methods, linearization method</news:keywords></news:news></url></urlset>
