@article{ZNSL_1973_35_a8,
     author = {V. N. Kublanovskaya and G. V. Savinov and T. N. Smirnova},
     title = {On solving of some problems with sparse matrices},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {75--94},
     year = {1973},
     volume = {35},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1973_35_a8/}
}