Patrick C. Fischer The Reduction of Tape Reversals for Off-Line One-Tape Turing Machines. [Citation Graph (0, 0)][DBLP] J. Comput. Syst. Sci., 1968, v:2, n:2, pp:136-147 [Journal]
Gene F. Rose Closures which Preserve Finiteness in Families of Languages. [Citation Graph (0, 0)][DBLP] J. Comput. Syst. Sci., 1968, v:2, n:2, pp:148-168 [Journal]
Ronald Alter On the Nonexistence of Close-Packed Double Hamming-Error-Correcting Codes on q=7 Symbols. [Citation Graph (0, 0)][DBLP] J. Comput. Syst. Sci., 1968, v:2, n:2, pp:169-176 [Journal]