@article{TIMM_2002_8_1_a8,
     author = {N. V. Latypova},
     title = {Error estimates for approximation by polynomials of degree $4k+3$ on the triangle},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {203--226},
     publisher = {mathdoc},
     volume = {8},
     number = {1},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2002_8_1_a8/}
}