@article{1195521888,
author = {Miyadera, Isao},
title = {A perturbation theorem for contraction semi-groups},
journal = {Proc. Japan Acad.},
volume = {42},
number = {5},
year = {1966},
pages = { 755-758},
language = {en},
url = {http://dml.mathdoc.fr/item/1195521888}
}
Miyadera, Isao. A perturbation theorem for contraction semi-groups. Proc. Japan Acad., Tome 42 (1966) no. 5, pp. 755-758. http://gdmltest.u-ga.fr/item/1195521888/