TY  - SER
AU  - Iwata, Ken-Ichi
AU  - Arimura, Mitsuharu
TI  - Redundancy-Optimal Ff Codes  for  a General Source and its Relationships ToRate-Optimal Ff Codes
KW  - Fixed-To-Fixed Length Source Coding
KW  - Information-Spectrum Methods
KW  - General Sources
ER  -