00611naa#a2200181#i#450# EN\\bibl\3117 20241222172524.7 2308-8877 20140617b2014####ek#y0engy0150####ca RUS RU Parametric representation of curves in problems of calculus of variations Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 4 с. Journal article local Getmanova E. Pokornaya I. anni.editorum.ru