%0 Journal Article
%A O. E. Galkin
%A S. Yu. Galkina
%T Application of extreme sub- and epiarguments, convex and concave envelopes to search for global extrema
%J Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki
%D 2019
%P 483-500
%V 29
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VUU_2019_29_4_a1/
%G ru
%F VUU_2019_29_4_a1