%0 Journal Article
%A A. V. Proskurin
%T Positive rudimentarity of the graphs of the Ackermann's and Grzegorczyk's functions
%J Zapiski Nauchnykh Seminarov POMI
%D 1979
%P 186-191
%V 88
%U http://geodesic.mathdoc.fr/item/ZNSL_1979_88_a13/
%G ru
%F ZNSL_1979_88_a13