%0 Journal Article %A V. V. Peller %T On S. Mazur's problems 8 and 88 from the Scottish Book %J Studia Mathematica %D 2007 %P 191-198 %V 180 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm180-2-7/ %R 10.4064/sm180-2-7 %G en %F 10_4064_sm180_2_7