%0 Journal Article
%A A. Lasota
%T Invariant Measures and Functional Equations. (Short Communications).
%J Aequationes mathematicae
%D 1972
%P 312-313
%V 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1972__8_136308/
%F AM2_1972__8_136308