%0 Journal Article %A Lowndes, J. S. %T Simultaneous dual integral equations %J Glasgow mathematical journal %D 1973 %P 73-76 %V 14 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500001750/ %R 10.1017/S0017089500001750 %F 10_1017_S0017089500001750