weak integral form 弱解积分形式

weak Darboux integral 弱Darboux可积

weak Riemann integral 弱Riemann积分

weak spectral integral 弱谱积分

weak singular integral kernel 弱奇异性积分核

weak singular integral equation 弱奇异积分方程

local integral weak form 局部积分弱形式

infinite integral for weak-oscillating function 弱振荡函数无穷积分