%0 Journal Article %A Deĭneko, V. G. %A Van der Veen, J. A. %A Rudolf, R. %A Woeginger, G. J. %T Three easy special cases of the euclidean travelling salesman problem %J RAIRO - Operations Research - Recherche Opérationnelle %D 1997 %P 343-362 %V 31 %N 4 %I EDP-Sciences %U http://archive.numdam.org/item/RO_1997__31_4_343_0/ %G en %F RO_1997__31_4_343_0