Stoicuta , Nadia, и Olimpiu Stoicuta. 2009. "Monitoring on-Line by the Stability of the Kalman Filter Used in the Vectorial Control System for the Speed of an Induction Motor". Записки Горного института 181 (март), 109-14. https://pmi.spmi.ru/pmi/article/view/7042.

Stoicuta , Nadia, and Olimpiu Stoicuta. 2009. "Monitoring on-Line by the Stability of the Кalman Filter Used in the Vectorial Control System for the Speed of an Induction Motor". Journal of Mining Institute 181 (March), 109-14. https://pmi.spmi.ru/pmi/article/view/7042.