Voir la notice de l'article provenant de la source Math-Net.Ru
@article{FAA_1973_7_4_a5, author = {L. A. Nazarova and A. V. Roiter}, title = {A problem of {I.} {M.} {Gel'fand}}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {54--69}, publisher = {mathdoc}, volume = {7}, number = {4}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1973_7_4_a5/} }
L. A. Nazarova; A. V. Roiter. A problem of I. M. Gel'fand. Funkcionalʹnyj analiz i ego priloženiâ, Tome 7 (1973) no. 4, pp. 54-69. http://geodesic.mathdoc.fr/item/FAA_1973_7_4_a5/