TY  - JOUR
AU  - J.A. Crenshaw
TI  - Extreme Positive Linear Operators.
JO  - Mathematica Scandinavica
PY  - 1969
SP  - 195
EP  - 217
VL  - 25
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MS2_1969__25_166117/
ID  - MS2_1969__25_166117
ER  -