%0 Journal Article %A A. I. Zadorin %T The analysis of numerical differentiation formulas on the Shishkin mesh with of a~boundary layer %J Sibirskij žurnal vyčislitelʹnoj matematiki %D 2018 %P 243-254 %V 21 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJVM_2018_21_3_a0/ %G ru %F SJVM_2018_21_3_a0