TY  - JOUR
AU  - Adam Bobrowski
AU  - Wojciech Chojnacki
TI  - Isolated points of some sets of bounded cosine families, bounded semigroups, and bounded groups on a Banach space
JO  - Studia Mathematica
PY  - 2013
SP  - 219
EP  - 241
VL  - 217
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm217-3-2/
DO  - 10.4064/sm217-3-2
LA  - en
ID  - 10_4064_sm217_3_2
ER  -