Some combinatorial problems related to scheduling the games of a sports league are considered. Graph theoretical models are proposed for dealing with so called geographical constraints: these are due to the fact that the teams of the league are located in different cities which may be at various distances from each other. © 1980, All rights reserved.
de Werra, D. (1980). Geography, games and graphs. Topics in Catalysis, 2(4), 327–337. https://doi.org/10.1016/0166-218X(80)90028-1