TY  - JOUR
AU  - Kim, Jin Bai
TI  - Mutants in semigroups
JO  - Czechoslovak Mathematical Journal
PY  - 1969
SP  - 86
EP  - 90
VL  - 19
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1969.100879/
DO  - 10.21136/CMJ.1969.100879
LA  - en
ID  - 10_21136_CMJ_1969_100879
ER  -