@article{DAN_1978_240_3_a10,
     author = {I. M. Spitkovsky},
     title = {On the factorability of measurable matrix-valued functions},
     journal = {Doklady Akademii Nauk},
     pages = {541--544},
     publisher = {mathdoc},
     volume = {240},
     number = {3},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_240_3_a10/}
}