TY  - JOUR
AU  - Bašić, Bojan
TI  - The Heesch number for multiple prototiles is unbounded
JO  - Comptes Rendus. Mathématique
PY  - 2015
SP  - 665
EP  - 669
VL  - 353
IS  - 8
PB  - Elsevier
UR  - http://www.numdam.org/articles/10.1016/j.crma.2015.05.002/
DO  - 10.1016/j.crma.2015.05.002
LA  - en
ID  - CRMATH_2015__353_8_665_0
ER  -