%0 Journal Article
%A Ellentuck, Erik
%T On the form of functions which preserve regressive isols
%J Compositio Mathematica
%D 1973
%P 283-302
%V 26
%N 3
%I Noordhoff International Publishing
%U http://www.numdam.org/item/CM_1973__26_3_283_0/
%G en
%F CM_1973__26_3_283_0