%0 Journal Article
%A L. X. Hung
%T The chromaticity of the join of tree and null graph
%J Prikladnaâ diskretnaâ matematika
%D 2020
%P 93-101
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PDM_2020_4_a6/
%G en
%F PDM_2020_4_a6