Institute of Electrical and Electronics Engineers. Transactions on Information Theory (IEEE Trans. Inform. Theory) (19920101), 38, no.~3, 1002-1014. ISSN: 0018-9448 (print).eISSN: 1557-9654.
Institute of Electrical and Electronics Engineers. Transactions on Information Theory (IEEE Trans. Inform. Theory) (19920101), 38, no.~2, part 1, 380-385. ISSN: 0018-9448 (print).eISSN: 1557-9654.
Institute of Electrical and Electronics Engineers. Transactions on Information Theory (IEEE Trans. Inform. Theory) (19900101), 36, no.~5, 1157-1163. ISSN: 0018-9448 (print).eISSN: 1557-9654.