%0 Journal Article %A Singh, B. M. %T On triple trigonometrical equations %J Glasgow mathematical journal %D 1973 %P 174-178 %V 14 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500001920/ %R 10.1017/S0017089500001920 %F 10_1017_S0017089500001920