@article{MM_2004_16_5_a6,
     author = {N. B. Petrovskaya},
     title = {The choice of the weight coefficients for the least-squares gradient approximation},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {83--93},
     publisher = {mathdoc},
     volume = {16},
     number = {5},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_2004_16_5_a6/}
}