@article{1270130504,
author = {WATANABE, Kazuo},
title = {Smooth Perturbations of the Self-adjoint Operator $|\Delta|^{\alpha/2}$},
journal = {Tokyo J. of Math.},
volume = {14},
number = {2},
year = {1991},
pages = { 239-250},
language = {en},
url = {http://dml.mathdoc.fr/item/1270130504}
}
WATANABE, Kazuo. Smooth Perturbations of the Self-adjoint Operator $|\Delta|^{\alpha/2}$. Tokyo J. of Math., Tome 14 (1991) no. 2, pp. 239-250. http://gdmltest.u-ga.fr/item/1270130504/