%0 Journal Article %A Jr., C.A. Church %T On a Lemma of M. Abramson %J Canadian mathematical bulletin %D 1966 %P 347-348 %V 9 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1966-043-7/ %R 10.4153/CMB-1966-043-7 %F 10_4153_CMB_1966_043_7