@article{paperid:1046279, author = {Seyyed Anzabi Nejad, Nima and Abed Hodtani, Ghosheh and Molavi Kakhki, Mohammad}, title = {A More General Version of the Costa Theorem}, journal = {Journal of Communication Engineering}, year = {2013}, volume = {2}, number = {4}, month = {August}, issn = {2322-4088}, pages = {1--19}, numpages = {18}, keywords = {Gaussian channel capacity; correlated side information; two sided state information}, }