@article{DAN_1978_243_3_a5,
     author = {V. N. Malozemov and A. B. Pevnyi},
     title = {Approximation by splines of arbitrary defect},
     journal = {Doklady Akademii Nauk},
     pages = {572--575},
     publisher = {mathdoc},
     volume = {243},
     number = {3},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_243_3_a5/}
}