00590naa#a2200181#i#450# EN\\bibl\2837 20240525205850.6 2308-8877 20140616b2014####ek#y0engy0150####ca RUS RU Visualization poincare section in nonlinear dynamical systems 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 Grafov V. Sopilnyak A. naukaru.ru