Bomba, A. and Moroz, I. (2021) “Prediction of the charge carriers stationary distribution in the active region of the p-i-n structures by the perturbation theory methods”, Bulletin of V.N. Karazin Kharkiv National University, series «Mathematical modeling. Information technology. Automated control systems», 50, pp. 27-36. doi: 10.26565/2304-6201-2021-50-03.