Storozh OG. On the conditions of solvability and the resolvent of a second-order deferential boundary operator in a space of vector functions. Ukr. Mat. Zhurn. [Internet]. 1995Apr.25 [cited 2024Nov.24];47(4):517–524. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/5450