@article{ZVMMF_1984_24_9_a0,
     author = {A. A. Ligun and A. A. Shumeiko},
     title = {Optimal choice of nodes in the approximation of functions by interpolation splines},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1283--1293},
     year = {1984},
     volume = {24},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1984_24_9_a0/}
}