@article{10_4064_am_16_2_353_378,
     author = {Jadwiga Dzikiewicz and M. M. Sys{\l}o},
     title = {Algorithms 62-64. {Graph-theoretic} algorithms for sparse matrix transformations},
     journal = {Applicationes Mathematicae},
     pages = {353--378},
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {1977},
     doi = {10.4064/am-16-2-353-378},
     zbl = {0421.65021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-16-2-353-378/}
}