TY - JOUR AU - Erdös, P. TI - On Some Applications of Graph Theory to Geometry JO - Canadian journal of mathematics PY - 1967 SP - 968 EP - 971 VL - 19 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-088-2/ DO - 10.4153/CJM-1967-088-2 ID - 10_4153_CJM_1967_088_2 ER -