@article{1183525957,
author = {Beals, R. W.},
title = {A note on the adjoint of a perturbed operator},
journal = {Bull. Amer. Math. Soc.},
volume = {70},
number = {6},
year = {1964},
pages = { 314-315},
language = {en},
url = {http://dml.mathdoc.fr/item/1183525957}
}
Beals, R. W. A note on the adjoint of a perturbed operator. Bull. Amer. Math. Soc., Tome 70 (1964) no. 6, pp. 314-315. http://gdmltest.u-ga.fr/item/1183525957/