Mikhailets VA, Skorobohach TB. Fredholm boundary-value problem in Sobolev – Slobodetsky spaces. Ukr. Mat. Zhurn. [Internet]. 2021Jul.20 [cited 2024Apr.19];73(7):920 -930. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/6684