@article{SF_1986__35_134872,
     author = {W. Desch and W. Schappacher},
     title = {A note on the comparison of {C0-semigroups.}},
     journal = {Semigroup forum},
     pages = {237--244},
     publisher = {mathdoc},
     volume = {35},
     year = {1986},
     zbl = {0618.47034},
     url = {http://geodesic.mathdoc.fr/item/SF_1986__35_134872/}
}