@article{MM_2011_23_7_a2,
     author = {N. N. Kalitkin and L. V. Kuzmina},
     title = {The improved form of the conjugated gradients method},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {33--51},
     publisher = {mathdoc},
     volume = {23},
     number = {7},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_2011_23_7_a2/}
}