@article{10_1017_S2040618500034249,
     author = {Copson, E. T.},
     title = {On {Certain} {Dual} {Integral} {Equations}},
     journal = {Glasgow mathematical journal},
     pages = {21--24},
     year = {1961},
     volume = {5},
     number = {1},
     doi = {10.1017/S2040618500034249},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S2040618500034249/}
}