@article{IM2_1973_7_6_a5,
     author = {D. Z. Arov},
     title = {Darlington realization of matrix-valued functions},
     journal = {Izvestiya. Mathematics },
     pages = {1295--1326},
     publisher = {mathdoc},
     volume = {7},
     number = {6},
     year = {1973},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1973_7_6_a5/}
}