Pilipenko AY, Prikhod’ko YE. On the Limit Behavior of a Sequence of Markov Processes Perturbed in a Neighborhood of the Singular Point. Ukr. Mat. Zhurn. [Internet]. 2015 Apr. 25 [cited 2025 Dec. 15];67(4):499-516. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/2000