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@article{FAA_1980_14_3_a1, author = {I. M. Gel'fand and V. A. Ponomarev}, title = {Representations of graphs. {Perfect} subrepresentations}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {14--31}, publisher = {mathdoc}, volume = {14}, number = {3}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1980_14_3_a1/} }
I. M. Gel'fand; V. A. Ponomarev. Representations of graphs. Perfect subrepresentations. Funkcionalʹnyj analiz i ego priloženiâ, Tome 14 (1980) no. 3, pp. 14-31. http://geodesic.mathdoc.fr/item/FAA_1980_14_3_a1/