@article {IOPORT.50373213,
    author       = {Suh, Changho and Tse, David},
    title        = {Feedback capacity of the Gaussian interference channel to within 2 bits},
    year         = {2011},
    journal      = {IEEE Transactions on Information Theory},
    volume       = {57},
    number       = {5},
    pages        = {2667-2685},
    doi          = {10.1109/TIT.2011.2119990},
    identifier   = {50373213},
}