TY  - JOUR
AU  - Kôsaku Yosida
TI  - The existence of the potential operator associated with an equicontinuous semigroup of class $(C_0)$
JO  - Studia Mathematica
PY  - 1968
SP  - 531
EP  - 533
VL  - 31
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm-31-5-531-533/
DO  - 10.4064/sm-31-5-531-533
LA  - en
ID  - 10_4064_sm_31_5_531_533
ER  -