TY  - JOUR
AU  - Doris Schattschneider
TI  - Escher's combinatorial patterns
JO  - The electronic journal of combinatorics
PY  - 1997
VL  - 4
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.37236/1332/
DO  - 10.37236/1332
ID  - 10_37236_1332
ER  -