@article{TM_1980_145_a8,
     author = {N. I. Chernykh},
     title = {Approximation of classes of differentiable functions by splines in weighted spaces},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {169--247},
     publisher = {mathdoc},
     volume = {145},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1980_145_a8/}
}