00777nam0-22002891i-450-990002567860403321000256786FED01000256786(Aleph)000256786FED0100025678620000920d1963----km-y0itay50------baENGLow density parity check codesR. Gallager.CambridgeThe M.I.T. Press1963.ix, 102 p.24 cmTeoria dei grafiCombinatorica511Gallager,Robert G.8401ITUNINARICAUNIMARCBK990002567860403321MXXII-A-34027981MASMASLow density parity check codes436551UNINAING01