@article{MZ_1987__196_173904,
     author = {V. Schroeder and J.H. Eschenburg},
     title = {Riemannian {Manifolds} with {Flat} {Ends.}},
     journal = {Mathematische Zeitschrift},
     pages = {573--590},
     publisher = {mathdoc},
     volume = {196},
     year = {1987},
     zbl = {0642.53048},
     url = {http://geodesic.mathdoc.fr/item/MZ_1987__196_173904/}
}