%0 Journal Article
%A Stanisław Godlewski
%T Mutational retracts and extensions of mutations
%J Fundamenta Mathematicae
%D 1974
%P 47-65
%V 84
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm-84-1-47-65/
%R 10.4064/fm-84-1-47-65
%G en
%F 10_4064_fm_84_1_47_65