TY  - JOUR
AU  - Sullivan, Robert P.
TI  - Half-automorphisms of transformation semigroups
JO  - Czechoslovak Mathematical Journal
PY  - 1985
SP  - 415
EP  - 418
VL  - 35
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1985.102031/
DO  - 10.21136/CMJ.1985.102031
LA  - en
ID  - 10_21136_CMJ_1985_102031
ER  -