@article{ZVMMF_1983_23_2_a4,
     author = {I. A. Rumyantsev},
     title = {Local interpolation curve with a prescribed degree of smoothness which preserves the constant sign of curvature},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {290--300},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1983_23_2_a4/}
}