@article{RO_1997__31_4_343_0,
     author = {De\u{i}neko, V. G. and Van der Veen, J. A. and Rudolf, R. and Woeginger, G. J.},
     title = {Three easy special cases of the euclidean travelling salesman problem},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {343--362},
     publisher = {EDP-Sciences},
     volume = {31},
     number = {4},
     year = {1997},
     mrnumber = {1491043},
     zbl = {0888.90141},
     language = {en},
     url = {http://www.numdam.org/item/RO_1997__31_4_343_0/}
}