%0 Journal Article %A R. H. Warren %T Polynomially solvable traveling salesman problems %J Applicationes Mathematicae %D 1991 %P 283-287 %V 21 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-21-2-283-287/ %R 10.4064/am-21-2-283-287 %G en %F 10_4064_am_21_2_283_287