@article{DAN_1977_233_3_a5,
     author = {I. S. Iokhvidov},
     title = {On extensions of rectangular {Hankel} matrices},
     journal = {Doklady Akademii Nauk},
     pages = {285--288},
     publisher = {mathdoc},
     volume = {233},
     number = {3},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_233_3_a5/}
}