@article{SJIM_2012_15_2_a11,
     author = {S. P. Sidorov},
     title = {On the error of optimal interpolation by linear shape-preserving algorithms},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {119--127},
     publisher = {mathdoc},
     volume = {15},
     number = {2},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2012_15_2_a11/}
}