%0 Journal Article %A Badea, C. %T The irrationality of certain infinite series %J Glasgow mathematical journal %D 1987 %P 221-228 %V 29 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500006868/ %R 10.1017/S0017089500006868 %F 10_1017_S0017089500006868