%0 Journal Article %A Sergi Elizalde %A Rigoberto Flórez %A José Luis Ramírez %T Enumerating symmetric peaks in non-decreasing Dyck paths %J Ars Mathematica Contemporanea %D 2021 %V 21 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.2478.d1b/ %R 10.26493/1855-3974.2478.d1b %G en %F 10_26493_1855_3974_2478_d1b