TY - JOUR T1 - Boundary Value Problems for Composite Type Systems of Second Order Partial Differential Equations AU - Liu Yunkang, Wu Ciqian JO - Journal of Partial Differential Equations VL - 2 SP - 164 EP - 172 PY - 1993 DA - 1993/06 SN - 6 DO - http://doi.org/ UR - https://global-sci.org/intro/article_detail/jpde/5708.html KW - Composite system KW - boundary value problem KW - Fourier method KW - classical solution KW - generalized solution AB - Doundary value problems for composite systems of partial differential equations are investigated in this paper. The uniqueness and existence of claasical solutions and generalized solutions are studied.