TY  - JOUR
AU  - Schröder, Joachim
TI  - Generalized Schröder numbers and the rotation principle
JO  - Journal of integer sequences
PY  - 2007
VL  - 10
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JIS_2007__10_7_a1/
LA  - en
ID  - JIS_2007__10_7_a1
ER  -