%0 Journal Article
%A A. P. Beltiukov
%T A~machine description and a~hierarchy of initial Grzegorczyk's classes
%J Zapiski Nauchnykh Seminarov POMI
%D 1979
%P 30-46
%V 88
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1979_88_a1/
%G ru
%F ZNSL_1979_88_a1