TY  - JOUR
AU  - Charles J. K. Batty
AU  - Zdzisław Brzeźniak
AU  - David D. Greenfield
TI  - A quantitative asymptotic theorem for contraction semigroups with countable unitary spectrum
JO  - Studia Mathematica
PY  - 1996
SP  - 167
EP  - 183
VL  - 121
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm_1996_121_2_1_167_183/
DO  - 10.4064/sm_1996_121_2_1_167_183
LA  - en
ID  - 10_4064_sm_1996_121_2_1_167_183
ER  -