@article{IVM_1994_1_a3,
     author = {I. E. Koshelev},
     title = {A~modification of the two-grid method for the approximate solution of operator equations of the first kind},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {25--31},
     publisher = {mathdoc},
     number = {1},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1994_1_a3/}
}