@article{TM_1989_189_a6,
     author = {Yu. N. Subbotin},
     title = {The dependence of estimates of a~multidimensional piecewise-polynomial approximation on the geometric characteristics of a~triangulation},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {117--137},
     publisher = {mathdoc},
     volume = {189},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1989_189_a6/}
}