TY - JOUR AU - Nenad Cakić AU - Toufik Mansour AU - Rebecca Smith TI - Counting visible levels in bargraphs and set partitions JO - Filomat PY - 2019 SP - 6229 VL - 33 IS - 19 UR - http://geodesic.mathdoc.fr/articles/10.2298/FIL1919229C/ DO - 10.2298/FIL1919229C LA - en ID - 10_2298_FIL1919229C ER -