@article{DE_2000_36_9_a6,
     author = {V. N. Abrashin and N. G. Zhadaeva},
     title = {The convergence rate of economical iterative methods for stationary problems of mathematical physics},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1220--1229},
     year = {2000},
     volume = {36},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2000_36_9_a6/}
}