@article{IVM_2007_3_a9,
     author = {B. A. Shuvar and M. I. Kopach},
     title = {Modified iterative aggregation algorithms},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {73--76},
     publisher = {mathdoc},
     number = {3},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2007_3_a9/}
}