@article{RO_1983__17_3_297_0, author = {Tomescu, Ioan}, title = {An upper bound for the shortest hamiltonian path in the symmetric euclidean case}, journal = {RAIRO. Operations research}, pages = {297--306}, year = {1983}, publisher = {EDP-Sciences}, volume = {17}, number = {3}, mrnumber = {727267}, zbl = {0524.05042}, language = {en}, url = {https://www.numdam.org/item/RO_1983__17_3_297_0/} }