%0 Journal Article
%A Todorova, Tatyana L.
%T Lagrange's four square theorem with almost-prime numbers having a special form
%J Mathematics and Education in Mathematics
%D 2021
%P 163-175
%V 50
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MEM_2021_50_a17/
%G en
%F MEM_2021_50_a17