@article{VUU_2007_1_a11,
     author = {V. I. Rodionov},
     title = {On spline-approximation of functions of some variables},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {121--126},
     publisher = {mathdoc},
     number = {1},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2007_1_a11/}
}