@article{ZNSL_2013_415_a15,
     author = {A. N. Trefilov},
     title = {Atiyah--Patodi--Singer $\eta$-invariant and invariants of finite degree},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {163--193},
     publisher = {mathdoc},
     volume = {415},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2013_415_a15/}
}