%0 Journal Article %A G. I. Shishkin %T Piecewise-uniform grids, optimal with respect to the order of convergence, for singularly perturbed convection-diffusion equations %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2002 %P 60-72 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2002_3_a7/ %G ru %F IVM_2002_3_a7