TY  - JOUR
AU  - Holladay, Kenneth
TI  - Estimating the Size of Context-Free Tiling Languages
JO  - Canadian journal of mathematics
PY  - 1987
SP  - 1413
EP  - 1433
VL  - 39
IS  - 6
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1987-066-4/
DO  - 10.4153/CJM-1987-066-4
ID  - 10_4153_CJM_1987_066_4
ER  -