%0 Journal Article %A Ming-Chit Liu %A Man-Cheung Leung %T On Generalized Quadratic Equations in Three Prime Variables. %J Monatshefte für Mathematik %D 1993 %P 133-168 %V 115 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MOMA_1993__115_4_178602/ %F MOMA_1993__115_4_178602