@article{1103044129, author = {Halberg, Charles J. A. and Taylor, Angus E.}, title = {On the spectra of linked operators.}, journal = {Pacific J. Math.}, volume = {6}, number = {4}, year = {1956}, pages = { 283-290}, language = {en}, url = {http://dml.mathdoc.fr/item/1103044129} }
Halberg, Charles J. A.; Taylor, Angus E. On the spectra of linked operators.. Pacific J. Math., Tome 6 (1956) no. 4, pp. 283-290. http://gdmltest.u-ga.fr/item/1103044129/