@article{TIMM_2000_6_1_a8,
     author = {V. I. Maksimov},
     title = {The principle of extremal shift in a~problem of solving operator equations},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {141--149},
     year = {2000},
     volume = {6},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2000_6_1_a8/}
}