@article{VMUMM_2009_5_a2,
     author = {D. A. Silaev},
     title = {Twice continuously differentiable semilocal smoothing spline},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {11--19},
     publisher = {mathdoc},
     number = {5},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2009_5_a2/}
}