@article{MZ_1987__194_173837,
     author = {Peter B. Gilkey},
     title = {The eta {Invariant} and {...O} of {Lens} {Spaces.}},
     journal = {Mathematische Zeitschrift},
     pages = {309--320},
     publisher = {mathdoc},
     volume = {194},
     year = {1987},
     zbl = {0597.58030},
     url = {http://geodesic.mathdoc.fr/item/MZ_1987__194_173837/}
}