@article{MZM_1993_54_3_a5,
     author = {A. B. Kycherov and M. M. Makarov},
     title = {A study of the method of approximate factorization for solving grid elliptic boundary-value problems},
     journal = {Matemati\v{c}eskie zametki},
     pages = {72--88},
     publisher = {mathdoc},
     volume = {54},
     number = {3},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1993_54_3_a5/}
}