@article{MM_1997_9_4_a8,
     author = {R. J. \v{C}iegis},
     title = {On the rate convergence of combined iterative methods of variational type},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {115--125},
     publisher = {mathdoc},
     volume = {9},
     number = {4},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_1997_9_4_a8/}
}