@article{ZVMMF_1996_36_11_a3,
     author = {N. L. Zmatrakov},
     title = {Approximation by local two-dimensional splines of smoothness $C$},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {35--43},
     year = {1996},
     volume = {36},
     number = {11},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1996_36_11_a3/}
}