@article{VMP_2010_11_1_a3,
     author = {A. B. Bakushinskii and M. Yu. Kokurin and V. V. Klyuchev},
     title = {Convergence rate estimation for finite-difference methods
},
     journal = {Numerical methods and programming},
     pages = {25--31},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMP_2010_11_1_a3/}
}