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- [31] Boundary-value problem for the adjoint Helmholtz equation Journal of Communications Technology and Electronics, 2016, 61 : 243 - 245
- [34] NONTRIVIAL HOMOGENEOUS BOUNDARY-VALUE PROBLEM OF THE LAPLACE EQUATION ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK, 1993, 73 (10): : 284 - 284