@article{ZNSL_1983_124_a6,
     author = {L. Yu. Kolotilina},
     title = {On the application of net groups to sparse matrix theory},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {93--100},
     publisher = {mathdoc},
     volume = {124},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1983_124_a6/}
}