Mark F. Flanagan Enrico Paolini Marco Chiani Marc P. C. Fossorier On the Growth Rate of the Weight Distribution of Irregular Doubly-Generalized LDPC Codes http://arxiv.org/abs/0903.1588 2009 CoRR abs/0903.1588 db/journals/corr/corr0903.html#abs-0903-1588 informal publication