%0 Journal Article %A Igor Pak %A Robin Pemantle %T On the longest \(k\)-alternating subsequence %J The electronic journal of combinatorics %D 2015 %V 22 %N 1 %U http://geodesic.mathdoc.fr/articles/10.37236/4480/ %R 10.37236/4480 %F 10_37236_4480