TY  - JOUR
AU  - Carlos Lizama
TI  - On Positive Strongly Continuous Cosine Functions
JO  - Mathematica balkanica
PY  - 1990
SP  - 43
VL  - 4
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MABA_1990_4_1_a5/
ID  - MABA_1990_4_1_a5
ER  -