@article{IM2_1995_59_4_a9,
     author = {I. G. Tsar'kov},
     title = {On the extension and smoothing of vector-valued functions},
     journal = {Izvestiya. Mathematics },
     pages = {847--879},
     publisher = {mathdoc},
     volume = {59},
     number = {4},
     year = {1995},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1995_59_4_a9/}
}