@article{IVM_1984_9_a6,
     author = {V. G. Doronin and A. A. Ligun},
     title = {Optimal choice of nodes in one-sided approximation of functions by splines},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {29--38},
     publisher = {mathdoc},
     number = {9},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1984_9_a6/}
}