TY  - JOUR
AU  - V. Keyantuo
AU  -  
TI  - On analytic semigroups and cosine functions in Banach spaces
JO  - Studia Mathematica
PY  - 1998
SP  - 137
EP  - 156
VL  - 129
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm-129-2-137-156/
DO  - 10.4064/sm-129-2-137-156
LA  - en
ID  - 10_4064_sm_129_2_137_156
ER  -