%0 Journal Article
%A Vaughan, Jerry E.
%T On Frolík's characterization of class $P$
%J Czechoslovak Mathematical Journal
%D 1994
%P 1-6
%V 44
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1994.128448/
%R 10.21136/CMJ.1994.128448
%G en
%F 10_21136_CMJ_1994_128448