@article{IM_1969__8_141976,
     author = {E.C. TURNER},
     title = {Diffeomorphisms of a {Product} of {Spheres.}},
     journal = {Inventiones mathematicae},
     pages = {69--82},
     year = {1969},
     volume = {8},
     zbl = {0179.51803},
     url = {http://geodesic.mathdoc.fr/item/IM_1969__8_141976/}
}