@article{SJVM_2005_8_1_a6,
     author = {V. T. Shevaldin},
     title = {Approximation by local parabolic splines with arbitrary knots},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {77--88},
     publisher = {mathdoc},
     volume = {8},
     number = {1},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2005_8_1_a6/}
}