%0 Journal Article %A F. Körner %T On the degree of asymmetry in the travelling salesman problem %J Applicationes Mathematicae %D 1987 %P 117-123 %V 19 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-19-1-117-123/ %R 10.4064/am-19-1-117-123 %G en %F 10_4064_am_19_1_117_123