%0 Journal Article %A Weger, Benjamin M. M. de %T On the fourth-powerfree part of x2 + 2 %J Glasgow mathematical journal %D 1998 %P 299-310 %V 40 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500032651/ %R 10.1017/S0017089500032651 %F 10_1017_S0017089500032651