@article{ZNSL_2003_296_a0,
     author = {Yu. A. Alpin and S. N. Il'in},
     title = {Infinite extensions of {Toeplitz} matrices},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {5--14},
     publisher = {mathdoc},
     volume = {296},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2003_296_a0/}
}