TY  - JOUR
AU  - Swetits, J.
AU  - Wood, B.
TI  - On a Class of Positive Linear Operators
JO  - Canadian mathematical bulletin
PY  - 1973
SP  - 557
EP  - 559
VL  - 16
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-091-2/
DO  - 10.4153/CMB-1973-091-2
ID  - 10_4153_CMB_1973_091_2
ER  -