@article{ISU_2012_12_2_a4,
     author = {V. B. Poplavski},
     title = {On idempotents of  algebra of  {Boolean} matrices},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {26--33},
     publisher = {mathdoc},
     volume = {12},
     number = {2},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2012_12_2_a4/}
}