TY - JOUR AU - Moussa Ahmia AU - Hacène Belbachir TI - Preserving log-convexity for generalized Pascal triangles JO - The electronic journal of combinatorics PY - 2012 VL - 19 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.37236/2255/ DO - 10.37236/2255 ID - 10_37236_2255 ER -