@article{VMUMM_1993_4_a7,
     author = {A. G. D'yachkov and Naser Al' Naser},
     title = {On a combinatorial problem in the theory of disjunctive codes},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {30--34},
     publisher = {mathdoc},
     number = {4},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1993_4_a7/}
}