%0 Journal Article
%A È. F. Tamm
%T Quantitative estimation of the local minimum point in nonlinear
%J Doklady Akademii Nauk
%D 1987
%P 1067-1069
%V 292
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1987_292_5_a8/
%G ru
%F DAN_1987_292_5_a8