@article{CMUC_1983_24_2_a1,
     author = {Sys{\l}o, Maciej M.},
     title = {Adjacency matrix equations and related problems: {Research} notes},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {211--222},
     year = {1983},
     volume = {24},
     number = {2},
     mrnumber = {711259},
     zbl = {0529.05033},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1983_24_2_a1/}
}