00690naa#a2200193#i#450# EN\\bibl\4218 20241130164258.6 2308-8877 20141113b2014####ek#y0engy0150####ca RUS RU Method of finite elements for solving singular ordinary differential equation of 4-th order without special forms for boundary layers Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 3 с. Journal article local Noaman S. Al Imam A. Verveyko N. naukaru.ru