TY  - JOUR
AU  - Stanisław Godlewski
TI  - Mutational retracts and extensions of mutations
JO  - Fundamenta Mathematicae
PY  - 1974
SP  - 47
EP  - 65
VL  - 84
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-84-1-47-65/
DO  - 10.4064/fm-84-1-47-65
LA  - en
ID  - 10_4064_fm_84_1_47_65
ER  -