@article{IM_1971__13_142097,
     author = {M. Rao},
     title = {On {Simultaneous} {Extensions.}},
     journal = {Inventiones mathematicae},
     pages = {284--294},
     publisher = {mathdoc},
     volume = {13},
     year = {1971},
     zbl = {0218.46028},
     url = {http://geodesic.mathdoc.fr/item/IM_1971__13_142097/}
}