@article{MAN_1991__291_1_164876,
     author = {R\'obert Sz\"oke},
     title = {Complex structures on tangent bundles of {Riemannian} manifolds.},
     journal = {Mathematische Annalen},
     pages = {409--428},
     year = {1991},
     volume = {291},
     number = {1},
     zbl = {0749.53021},
     url = {http://geodesic.mathdoc.fr/item/MAN_1991__291_1_164876/}
}