Petrina DY. Spectrum and States of the BCS Hamiltonian in a Finite Domain. III. BCS Hamiltonian with Mean-Field Interaction. Ukr. Mat. Zhurn. [Internet]. 2002Nov.25 [cited 2024Nov.22];54(11):1486-505. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/4187