@article{10_1017_S0017089500006327,
     author = {Bonsall, F. F. and Walsh, D.},
     title = {Symbols for trace class {Hankel} operators with good estimates for norms},
     journal = {Glasgow mathematical journal},
     pages = {47--54},
     year = {1986},
     volume = {28},
     number = {1},
     doi = {10.1017/S0017089500006327},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500006327/}
}