- IBRAHIM RAHIMOV, GEORGE P. YANEV, “Variance Estimators in Critical Branching Processes With Non-Homogeneous Immigration”, Mathematical Population Studies, 19, № 4, 2012, 188
- Ibrahim Rahimov, “Homogeneous Branching Processes with Non-Homogeneous Immigration”, Stochastics and Quality Control, 36, № 2, 2021, 165
- Márton Ispány, Gyula Pap, 197, Workshop on Branching Processes and Their Applications, 2010, 135