TY  - JOUR
AU  - Kim, Choo-Whan
TI  - Approximations of contraction operators on $L^\infty $ - I
JO  - Portugaliae mathematica
PY  - 1979
SP  - 213
EP  - 232
VL  - 38
IS  - 3-4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PORMA_1979__38_3-4_115405/
LA  - en
ID  - PORMA_1979__38_3-4_115405
ER  -