@article{VUU_2011_3_a5,
     author = {N. V. Latypova},
     title = {Independence of interpolation error estimates by fourth-degree polynomials on angles in a~triangle},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {64--74},
     publisher = {mathdoc},
     number = {3},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2011_3_a5/}
}