TY  - JOUR
AU  - Zelinka, Bohdan
TI  - The group of autotopies of a digraph
JO  - Czechoslovak Mathematical Journal
PY  - 1971
SP  - 619
EP  - 624
VL  - 21
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1971.101060/
DO  - 10.21136/CMJ.1971.101060
LA  - en
ID  - 10_21136_CMJ_1971_101060
ER  -