%0 Journal Article
%A Noureddine Bouteraa
%T Positive periodic solutions of delay differential system at resonance
%J Filomat
%D 2022
%P 3433 
%V 36
%N 10
%U http://geodesic.mathdoc.fr/articles/10.2298/FIL2210433B/
%R 10.2298/FIL2210433B
%G en
%F 10_2298_FIL2210433B