@article{SJVM_2004_7_1_a5,
     author = {V. V. Smelov},
     title = {On efficient approximation of piecewise smooth functions with their presentation by rapidly converging piecewise polynomial series},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {67--77},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2004_7_1_a5/}
}