@article{1200693937,
author = {Sait\=o, Yoshimi},
title = {Spectral and scattering theory for second-order differential operators with operator-valued coefficients},
journal = {Osaka J. Math.},
volume = {9},
number = {1},
year = {1972},
pages = { 463-498},
language = {en},
url = {http://dml.mathdoc.fr/item/1200693937}
}
Saitō, Yoshimi. Spectral and scattering theory for second-order differential operators with operator-valued coefficients. Osaka J. Math., Tome 9 (1972) no. 1, pp. 463-498. http://gdmltest.u-ga.fr/item/1200693937/