%0 Journal Article
%A Zbigniew Lipecki
%T Historical remarks on equivalence of functions
%J Bulletin of the Polish Academy of Sciences. Mathematics
%D 2017
%P 93-95
%V 65
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ba8107-4-2017/
%R 10.4064/ba8107-4-2017
%G en
%F 10_4064_ba8107_4_2017