1. Branching Processes;Athreya,1972
2. A branching process allowing immigration;Heathcote;J. R. Stat. Soc.,1965
3. Corrections and comments to the paper “A branching process allowing immigration”;Heathcote;J. R. Stat. Soc.,1966
4. A refinement of two theorems in the theory of branching processes;Heathcote;Teor. Veroyatn. Primen.,1967
5. Unitary dilations of Markov transition operators and the corresponding integral representations for transition probability matrices;Kendall,1959