@article{TM_1991_196_a14,
     author = {S. S. Ryshkov and R. M. Erdahl},
     title = {Dual systems of integer vectors and their applications to the theory of $(0,1)$-matrices},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {161--173},
     publisher = {mathdoc},
     volume = {196},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1991_196_a14/}
}