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@article{DAN_1984_274_3_a0, author = {V. N. Vorobjev}, title = {An approach to the representation of a digraph in algebraic form}, journal = {Doklady Akademii Nauk}, pages = {521--524}, publisher = {mathdoc}, volume = {274}, number = {3}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1984_274_3_a0/} }
V. N. Vorobjev. An approach to the representation of a digraph in algebraic form. Doklady Akademii Nauk, Tome 274 (1984) no. 3, pp. 521-524. http://geodesic.mathdoc.fr/item/DAN_1984_274_3_a0/