Voir la notice de l'article provenant de la source Math-Net.Ru
@article{FAA_1967_1_3_a10, author = {V. P. Gurarii}, title = {Spectrum of functions on a semi-axis}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {88--89}, publisher = {mathdoc}, volume = {1}, number = {3}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1967_1_3_a10/} }
V. P. Gurarii. Spectrum of functions on a semi-axis. Funkcionalʹnyj analiz i ego priloženiâ, Tome 1 (1967) no. 3, pp. 88-89. http://geodesic.mathdoc.fr/item/FAA_1967_1_3_a10/