@article{PismaZhETF.70.392, title = {Single-particle excitations and the order parameter for a trapped superfluid Fermi gas}, author = {Baranov, M. A.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {70}, issue = {6}, pages = {392}, year = {1999}, doi = {}, url = {http://jetpletters.ru/ps/0/article_14025.shtml}, }