When you search for (Russian: Рябушко книга скачать), you are likely looking for the famous series of problem books used across technical universities in Eastern Europe, specifically the "Collection of Individual Tasks in Higher Mathematics" (Сборник индивидуальных заданий по высшей математике) by A.P. Riabushko .
Complex numbers, differential and integral calculus, and differential equations. Series, multiple integrals, and vector analysis. Part 4 riabushko kniga skachat
Linear algebra, analytic geometry, and introduction to analysis. differential and integral calculus