@article{TRSPY_2003_243_a21,
     author = {Yu. N. Subbotin and S. A. Telyakovskii},
     title = {Approximation of {Derivatives} by the {Derivatives} of {Interpolating} {Splines}},
     journal = {Informatics and Automation},
     pages = {320--333},
     publisher = {mathdoc},
     volume = {243},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2003_243_a21/}
}