title = {Well-solvable special cases of the traveling salesman problem: A survey},
author = {Rainer Ernst Burkard and Vladimir G. De{\u\i}neko and Ren{\'e} van Dal and Jack A. A. van der Veen and Gerhard J. Woeginger},
journal = {SIAM Review},
volume = {40},
number = {3},
pages = {496--546},
year = {1998}}

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