@article{SJVM_2018_21_3_a0,
     author = {A. I. Zadorin},
     title = {The analysis of numerical differentiation formulas on the {Shishkin} mesh with of a~boundary layer},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {243--254},
     publisher = {mathdoc},
     volume = {21},
     number = {3},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2018_21_3_a0/}
}