@article{FAA_1988_22_1_a5,
     author = {D. Z. Arov},
     title = {Regular and singular $J$-inner matrix-functions and the corresponding interpolation problems},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {57--59},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1988_22_1_a5/}
}