@article{DAN_1996_351_6_a3,
     author = {N. N. Kalitkin and L. V. Kuzmina},
     title = {Natural interpolation splines of arbitrary degree},
     journal = {Doklady Akademii Nauk},
     pages = {738--742},
     publisher = {mathdoc},
     volume = {351},
     number = {6},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1996_351_6_a3/}
}