2 citations to https://www.mathnet.ru/rus/dm1287

1. Limnios N., Yarovaya E., “Diffusion Approximation of Branching Processes in Semi-Markov Environment”, Methodol. Comput. Appl. Probab., 22:4 (2020), 1583–1590      
2. Limnios N., Yarovaya E., “Diffusion Approximation of Near Critical Branching Processes in Fixed and Random Environment”, Stoch. Models, 35:2 (2019), 209–220