Dolgopolik M. V. RussiaСанкт-Петербург Saint Petersburg State University, Russia, 199034, St. Petersburg, Universitetskaya nab., 7-9 Аспирант кафедры математической теории моделирования систем управленияmaxim.dolgopolik@gmail.com Author's articles On Equivalence of the Method of Steepest Descent and the Method of Hypodifferential Descent in Some Constrained Optimization Problems