@article{EJDE_2001__2001__a44,
     author = {Bu\c{s}e,  C. and Dragomir,  S.S.},
     title = {A new proof for a {Rolewicz's} type theorem: {An} evolution semigroup approach},
     journal = {Electronic journal of differential equations},
     year = {2001},
     volume = {2001},
     zbl = {0985.47031},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2001__2001__a44/}
}