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2. E. B. Burlakova and A. V. Alessenko, Bioantioxidants in Radiation Damage and Malignant Growth [in Russian], Moscow (1975).
3. G. R. Ivanitskii, V. I. Krinskii, and E. E. Sel’kov, Mathematical Biophysics of Cell [in Russian], Moscow (1978).
4. B. A. Sevost’yanov, Branching Processes [in Russian], Moscow (1971).
5. T. E. Harris, Theory of Random Branching Processes [Russian translation], Moscow (1966).