1. The relationship between redundancy of coding and reliability of information about the source;krichevsky;Problems of Information Transmission,1968
2. Unit Length required to obtain a given redundancy;krichevsky;Report of the ANSSR,1966
3. Coding of Moore and Mealy Sources by Nonequivalent Symbols at Unknown Message Statistics
4. Encoding of finite-length messages at the output of a source with unknown statistics;shtarkov;Materials of the V Conf on the theory of coding and transmission of information,1972
5. Redundancy of universal coding of arbitrary Markov sources;trofimov;Problems of Information Transmission,1974