TY  - JOUR
AU  - G.F. Webb
TI  - A representation formula for strongly continuous cosine families. (Short Communication).
JO  - Aequationes mathematicae
PY  - 1980
SP  - 115
EP  - 116
VL  - 20
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1980__20_182388/
ID  - AM2_1980__20_182388
ER  -