@article{UZKU_2021_163_3_a2,
     author = {N. A. Zadorin},
     title = {Analysis of formulas for numerical differentiation of functions with large gradients on a {Bakhvalov} mesh},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {261--275},
     publisher = {mathdoc},
     volume = {163},
     number = {3},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2021_163_3_a2/}
}