@article{1102986395, author = {Oberai, Kirti K.}, title = {Sum and product of commuting spectral operators.}, journal = {Pacific J. Math.}, volume = {27}, number = {3}, year = {1968}, pages = { 129-146}, language = {en}, url = {http://dml.mathdoc.fr/item/1102986395} }
Oberai, Kirti K. Sum and product of commuting spectral operators.. Pacific J. Math., Tome 27 (1968) no. 3, pp. 129-146. http://gdmltest.u-ga.fr/item/1102986395/