1.
Koval’chuk TV, Kravets VI, Mohyl’ovaVV, Stanzhitskii AN. Application of the method of averaging to the problems of optimal control over functional-differential equations. Ukr. Mat. Zhurn. [Internet]. 2018Feb.25 [cited 2020Nov.29];70(2):206-15. Available from: http://umj.imath.kiev.ua/index.php/umj/article/view/1551