Alireza Hasani Lukasz Lopacinski Steffen Büchner 0002 Jörg Nolte Rolf Kraemer An Unnoticed Property in QC-LDPC Codes to Find the Message from the Codeword in Non-Systematic Codes. 6-9 2019 EuCNC https://doi.org/10.1109/EuCNC.2019.8801957 conf/eucnc/2019 db/conf/eucnc/eucnc2019.html#HasaniL0NK19