%0 Journal Article %A Abramson, Morton %T Sequences by Number of w-Rises %J Canadian mathematical bulletin %D 1975 %P 317-319 %V 18 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1975-059-6/ %R 10.4153/CMB-1975-059-6 %F 10_4153_CMB_1975_059_6