@article{oai:repository.dl.itc.u-tokyo.ac.jp:02005796,
 author = {Kashima, Yohei},
 issue = {3},
 journal = {Journal of Mathematical Sciences The University of Tokyo},
 month = {Aug},
 pages = {399--556},
 title = {Superconducting Phase in the BCS Model with Imaginary Magnetic Field. III. Non-Vanishing Free Dispersion Relations},
 volume = {28},
 year = {2021}
}