cx b22 3 45 236321013 http://www.idref.fr/236321013 20190607 20200910200719.000 422182101 422182101 Tb5 http://viaf.org/viaf/136628400 VIAF VIAF 20200401 20190607afrey50 ba0 eng ZZ 19711021 19711023 0 1 0 y 1 AFNOR ba0yba0y 0 Conference on graph theory 3 1971 Ann Arbor, Mich. ba0yba0y # Ann Arbor conference on graph theory 3 1971 Ann Arbor, Mich. FR Abes 20200910 AFNOR New directions in the theory of graphs : [proceedings of the Third Ann Arbor conference on graph theory held at the University of Michigan, October 21-23, 1971] / edited by Frank Harary, 1973 Conference on graph theory (3 ; 1971 ; Ann Arbor, Mich.) Ann Arbor conference on graph theory (3 ; 1971 ; Ann Arbor, Mich.)