TY - JOUR AU - Robert A. Sulanke TI - Generalizing Narayana and Schröder numbers to higher dimensions JO - The electronic journal of combinatorics PY - 2004 VL - 11 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/1807/ DO - 10.37236/1807 ID - 10_37236_1807 ER -