@article{FAA_1968_2_1_a0,
     author = {V. M. Adamyan and D. Z. Arov and M. G. Krein},
     title = {Infinite hankel matrices and generalized {Carath\'eodory--Fejer} and {Riesz} problems},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {1--19},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1968_2_1_a0/}
}