Institute of Electrical and Electronics Engineers. Transactions on Computers (IEEE Trans. Comput.) (19760101), C-25, no.~7, 725-736. ISSN: 0018-9340 (print).eISSN: 1557-9956.
Institute of Electrical and Electronics Engineers. Transactions on Computers (IEEE Trans. Comput.) (19760101), C-25, no.~5, 539-542. ISSN: 0018-9340 (print).eISSN: 1557-9956.
Institute of Electrical and Electronics Engineers. Transactions on Computers (IEEE Trans. Comput.) (19750101), C-24, no.~11, 1110-1113. ISSN: 0018-9340 (print).eISSN: 1557-9956.
Institute of Electrical and Electronics Engineers. Transactions on Information Theory (IEEE Trans. Inform. Theory) (19690101), IT-15, 113-117. ISSN: 0018-9448 (print).eISSN: 1557-9654.