%0 Journal Article %A T. A. Angelov %T On evaluation of codifferentials %J Numerical methods and programming %D 2013 %P 113-122 %V 14 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMP_2013_14_1_a13/ %G ru %F VMP_2013_14_1_a13