... Chuang II: MQt 56 bfli loan quy v€ bfli loan moment exp -(X-~)2+(Y-1])2 4JZ"(t -r) 4(t - -r) { f)~tG(x,y,t,~,r;,T)= ,1 Ta co: G.; = ... tu (2.4) va (2.5) va dinh Iy divergence ta co: l' l -£ -R 11 ~ Chuang II: MQts6 b~liroan quy v~ bai roan moment ~ ldiv F = f (F , n) ao" (-e ~ + f (F , n) ao" ~ + f (F , n) ao, R ~ f f(uGq - = ... nen& (52 21::::> 1-~::; ] 2-::::> c (5 01 2- (52 2 (2.12) 13 Chuang II; MQt so bai roan quy v~ bai roan moment Tli (2.11) va (2.12) ta co: 1- ~I (x - ~)2 ~ ~ [ Yay h' (E1)'; Iren ,00) => h(E,)...