@article{MZM_2020_108_5_a11,
     author = {V. T. Shevaldin},
     title = {Local approximation by parabolic splines in the mean with large averaging intervals},
     journal = {Matemati\v{c}eskie zametki},
     pages = {771--781},
     publisher = {mathdoc},
     volume = {108},
     number = {5},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2020_108_5_a11/}
}