@article{10_1017_S0017089511000115,
     author = {XIAN, XU},
     title = {SIGN-CHANGING {SOLUTIONS} {OF} (e1, {B)-LIMIT} {INCREASING} {OPERATOR} {EQUATION*}},
     journal = {Glasgow mathematical journal},
     pages = {535--554},
     year = {2011},
     volume = {53},
     number = {3},
     doi = {10.1017/S0017089511000115},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089511000115/}
}