@article{ZVMMF_1997_37_4_a0,
     author = {V. A. Kirushev and V. N. Malozemov},
     title = {An algorithm for the construction of a nonnegative cubic spline},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {387--394},
     publisher = {mathdoc},
     volume = {37},
     number = {4},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1997_37_4_a0/}
}