Chapter 2 surveys the application of Green quasifunction method to all kinds of arithmetic operators such as Laplace operator, Helmholtz operator and biharmonic operator, etc.

• 第二章对准格林函数方法在拉普拉斯(Laplace)算子、亥姆霍兹(Helmholtz)算子以及双调和算子等算子中的应用进行了综述。