@article{IVM_2002_3_a7,
     author = {G. I. Shishkin},
     title = {Piecewise-uniform grids, optimal with respect to the order of convergence, for singularly perturbed convection-diffusion equations},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {60--72},
     publisher = {mathdoc},
     number = {3},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2002_3_a7/}
}