%0 Journal Article %A Higgins, Rada %T On Certain Problems in the Theory of Sequences %J Canadian mathematical bulletin %D 1975 %P 229-231 %V 18 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1975-044-3/ %R 10.4153/CMB-1975-044-3 %F 10_4153_CMB_1975_044_3