TY  - JOUR
AU  - Abbott, H. L.
AU  - Hanson, D.
TI  - On A Combinatorial Problem of Erdös
JO  - Canadian mathematical bulletin
PY  - 1969
SP  - 823
EP  - 829
VL  - 12
IS  - 6
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1969-107-x/
DO  - 10.4153/CMB-1969-107-x
ID  - 10_4153_CMB_1969_107_x
ER  -