Sparse Parity-Check Matrices over ${GF(q)}$.

Hanno Lefmann Sparse Parity-Check Matrices over ${GF(q)}$. 147-169 2005 14 Combinatorics, Probability & Computing 1-2 http://dx.doi.org/10.1017/S0963548304006625 db/journals/cpc/cpc14.html#Lefmann05