%0 Journal Article
%A S. Feferman
%A C. Spector
%T Incompleteness along paths in progressions of theories
%J Matematika
%D 1971
%P 159-166
%V 15
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAT_1971_15_6_a6/
%G ru
%F MAT_1971_15_6_a6