@article{MM_1989_1_12_a9,
     author = {N. V. Ardelyan and E. I. Nagaeva},
     title = {On the convergence of iterations for systems of two linear operator equations},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {120--132},
     publisher = {mathdoc},
     volume = {1},
     number = {12},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_1989_1_12_a9/}
}