@article{GDZPPN00125880X,
title = {A note on the comparison of C0-semigroups.},
journal = {Semigroup forum},
volume = {33},
year = {1986},
pages = {237-244},
zbl = {0618.47034},
url = {http://dml.mathdoc.fr/item/GDZPPN00125880X}
}
Desch, W.; Schappacher, W. A note on the comparison of C0-semigroups.. Semigroup forum, Tome 33 (1986) pp. 237-244. http://gdmltest.u-ga.fr/item/GDZPPN00125880X/