%0 Journal Article
%A M. Kh. Fakhmi
%T Equational calculi for Grzegorczyk's classes~$\mathscr E^n$
%J Zapiski Nauchnykh Seminarov POMI
%D 1977
%P 140-141
%V 68
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1977_68_a10/
%G ru
%F ZNSL_1977_68_a10