%0 Journal Article %A Joseph L. Walsh %T An extension of the generalized Bernstein lemma %J Colloquium Mathematicum %D 1967 %P 91-92 %V 16 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-16-1-91-92/ %R 10.4064/cm-16-1-91-92 %G en %F 10_4064_cm_16_1_91_92