%0 Journal Article %A L. D. Popov %T On one method of increasing the smoothness of external penalty functions in linear and convex programming %J Trudy Instituta matematiki i mehaniki %D 2021 %P 88-101 %V 27 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2021_27_4_a6/ %G ru %F TIMM_2021_27_4_a6