@article{ISU_2006_6_1-2_a3,
     author = {V. B. Poplavski},
     title = {Overtones of oscillatory {Boolean} matrices},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {29--37},
     year = {2006},
     volume = {6},
     number = {1-2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2006_6_1-2_a3/}
}