%0 Journal Article
%A Uustalu, Tarmo
%T Generalizing substitution
%J RAIRO. Theoretical Informatics and Applications
%D 2003
%P 315-336
%V 37
%N 4
%I EDP-Sciences
%U https://www.numdam.org/articles/10.1051/ita:2003022/
%R 10.1051/ita:2003022
%G en
%F ITA_2003__37_4_315_0