@article{ZNSL_2004_309_a3,
     author = {S. N. Il'in},
     title = {Infinite {limitedly-Toeplitz} extensions of {Toeplitz} matrices},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {30--39},
     year = {2004},
     volume = {309},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2004_309_a3/}
}