The capacity of a class of 3-receiver broadcast channels with degraded message sets

Chandra Nair Abbas El Gamal The capacity of a class of 3-receiver broadcast channels with degraded message sets http://arxiv.org/abs/0712.3327 2007 CoRR abs/0712.3327 db/journals/corr/corr0712.html#abs-0712-3327 informal publication