@article{MM_1998_10_4_a8,
     author = {N. N. Kalitkin and L. V. Kuzmina and E. V. Maevskii and V. F. Tishkin},
     title = {Tishkiru {Rotation} invariance of parametric spline approximation},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {83--90},
     publisher = {mathdoc},
     volume = {10},
     number = {4},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_1998_10_4_a8/}
}