@article{RO_1988__22_3_301_0,
     author = {Jeromin, Bernd and K\"orner, Frank},
     title = {Some remarks on two degrees of asymmetry in the traveling salesman problem},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {301--308},
     publisher = {EDP-Sciences},
     volume = {22},
     number = {3},
     year = {1988},
     mrnumber = {968631},
     zbl = {0654.90090},
     language = {en},
     url = {http://www.numdam.org/item/RO_1988__22_3_301_0/}
}