%0 Journal Article
%A Lemańczyk, M.
%T Ergodic $Z_2$-extensions over rational pure point spectrum, category and homomorphisms
%J Compositio Mathematica
%D 1987
%P 63-81
%V 63
%N 1
%I Martinus Nijhoff Publishers
%U http://archive.numdam.org/item/CM_1987__63_1_63_0/
%G en
%F CM_1987__63_1_63_0