%0 Journal Article
%A Mahler, K.
%T Perfect systems
%J Compositio Mathematica
%D 1968
%P 95-166
%V 19
%N 2
%I P. Noordhoff N. V., Groningen
%U http://www.numdam.org/item/CM_1968__19_2_95_0/
%G en
%F CM_1968__19_2_95_0