%0 Journal Article
%A Béla Bollobás
%T k-Tuples of the First n Natural Numbers.
%J Elemente der Mathematik
%D 1969
%P 133-134
%V 24
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ELMA_1969__24_140950/
%F ELMA_1969__24_140950