@article{1029000220, author = {Radjavi, Heydar and Williams, James P.}, title = {Products of self-adjoint operators.}, journal = {Michigan Math. J.}, volume = {16}, number = {1}, year = {1969}, pages = { 177-185}, language = {en}, url = {http://dml.mathdoc.fr/item/1029000220} }
Radjavi, Heydar; Williams, James P. Products of self-adjoint operators.. Michigan Math. J., Tome 16 (1969) no. 1, pp. 177-185. http://gdmltest.u-ga.fr/item/1029000220/