Gnyp EV, Kodlyuk TI, Mikhailets VA. Fredholm Boundary-Value Problems with Parameter in Sobolev Spaces. Ukr. Mat. Zhurn. [Internet]. 2015May25 [cited 2024Apr.26];67(5):584-91. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/2006