TY  - JOUR
AU  - Horton, J. D.
TI  - Sets with No Empty Convex 7-Gons
JO  - Canadian mathematical bulletin
PY  - 1983
SP  - 482
EP  - 484
VL  - 26
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1983-077-8/
DO  - 10.4153/CMB-1983-077-8
ID  - 10_4153_CMB_1983_077_8
ER  -