TY  - JOUR
AU  - Gizatullin, Marat
TI  - Generalizations of Cole's Systems
JO  - Serdica Mathematical Journal
PY  - 1996
SP  - 45
EP  - 56
VL  - 22
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SMJ2_1996_22_1_a5/
LA  - en
ID  - SMJ2_1996_22_1_a5
ER  -