@article{SJIM_2013_16_1_a4,
     author = {A. I. Zadorin and S. V. Tikhovskaya},
     title = {A two-grid method for a~nonlinear singular perturbation boundary value problem on the {Shishkin} scheme},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {42--55},
     publisher = {mathdoc},
     volume = {16},
     number = {1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2013_16_1_a4/}
}