@article {IOPORT.05513619,
    author       = {Paluch, Katarzyna and Mucha, Marcin and Madry, Aleksander},
    title        = {A 7/9 - approximation algorithm for the maximum traveling salesman problem.},
    year         = {2008},
    journal      = {Computing Research Repository (CoRR)},
    volume       = {2008},
    pages        = {Article No. 0812.5101},
    publisher    = {Association for Computing Machinery, New York, NY; Cornell University, Ithaka, NY},
    identifier   = {05513619},
}