TY - BOOK AU - Vekua,I.N. AU - Koiter,W.T. AU - Lauwerier,H.A. AU - Tayler ,A.B. TI - New method for solving elliptic equations U1 - 517.36 VEK PY - 1967///. CY - Amsterdam : PB - North Holland Publishing Company, KW - Boundary value problems KW - Differential equations, Elliptic ER -