@article{TIMM_2011_17_3_a10,
     author = {N. V. Baidakova},
     title = {Influence of smoothness on the error of approximation of derivatives under local interpolation on triangulations},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {83--97},
     year = {2011},
     volume = {17},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2011_17_3_a10/}
}