TY - JOUR AU - Mihai Ciucu TI - A short conceptual proof of Narayana's path-counting formula JO - The electronic journal of combinatorics PY - 2016 VL - 23 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.37236/6131/ DO - 10.37236/6131 ID - 10_37236_6131 ER -