TY  - JOUR
AU  - Harrington, David J.
TI  - Co-Rank of a Composition Operator
JO  - Canadian mathematical bulletin
PY  - 1986
SP  - 33
EP  - 36
VL  - 29
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1986-005-0/
DO  - 10.4153/CMB-1986-005-0
ID  - 10_4153_CMB_1986_005_0
ER  -