Zhang, Wanguo Far field patterns of the transmission problem in scattering theory for acoustic wave. (Chinese. English summary) Zbl 0772.76066 J. Fudan Univ., Nat. Sci. 31, No. 4, 380-386 (1992). MSC: 76Q05 35P25 PDFBibTeX XMLCite \textit{W. Zhang}, J. Fudan Univ., Nat. Sci. 31, No. 4, 380--386 (1992; Zbl 0772.76066)
Zhang, Wanguo On Neumann boundary value problem in quaternionic analysis. (Chinese) Zbl 0768.35011 Chin. Ann. Math., Ser. A 13, No. 3, 386-392 (1992). Reviewer: Li Mingzhong (Shanghai) MSC: 35F15 35J55 30G35 PDFBibTeX XMLCite \textit{W. Zhang}, Chin. Ann. Math., Ser. A 13, No. 3, 386--392 (1992; Zbl 0768.35011)
Zhang, Wanguo The boundary value problem of the multiple connected domain in scattering theory. (Chinese. English summary) Zbl 0900.35276 Math. Appl. 4, No. 1, 38-45 (1991). MSC: 35P25 35J05 PDFBibTeX XMLCite \textit{W. Zhang}, Math. Appl. 4, No. 1, 38--45 (1991; Zbl 0900.35276)
Zhang, Wanguo On the equivalence of two kinds of classification of second order elliptic equations. (Chinese. English summary) Zbl 0709.35036 J. Math., Wuhan Univ. 10, No. 1, 13-20 (1990). MSC: 35J45 PDFBibTeX XMLCite \textit{W. Zhang}, J. Math., Wuhan Univ. 10, No. 1, 13--20 (1990; Zbl 0709.35036)
Zhang, Wanguo The Riemann problem in the unit polydisc of \({\mathbb{C}}^ n\). (Chinese. English summary) Zbl 0697.32011 J. Fudan Univ., Nat. Sci. 28, No. 2, 135-140 (1989). MSC: 32E35 PDFBibTeX XMLCite \textit{W. Zhang}, J. Fudan Univ., Nat. Sci. 28, No. 2, 135--140 (1989; Zbl 0697.32011)
Zhang, Wanguo The nonlinear Neumann problems for a class of systems of second order quasilinear elliptic equations. (Chinese. English summary) Zbl 0698.35062 J. Fudan Univ., Nat. Sci. 27, No. 2, 170-174 (1988). MSC: 35J65 PDFBibTeX XMLCite \textit{W. Zhang}, J. Fudan Univ., Nat. Sci. 27, No. 2, 170--174 (1988; Zbl 0698.35062)
Zhang, Wanguo On the third boundary value problem for a class of second order elliptic systems. (Chinese. English summary) Zbl 0623.35028 Chin. Ann. Math., Ser. A 7, 22-28 (1986). MSC: 35J25 35C15 35D05 PDFBibTeX XMLCite \textit{W. Zhang}, Chin. Ann. Math., Ser. A 7, 22--28 (1986; Zbl 0623.35028)
Zhang, Wanguo The nonlinear R-H problem for a class of systems of second order quasilinear elliptic equations. (Chinese. English summary) Zbl 0571.35043 J. Fudan Univ., Nat. Sci. 24, 37-46 (1985). MSC: 35J65 35J25 35A05 PDFBibTeX XMLCite \textit{W. Zhang}, J. Fudan Univ., Nat. Sci. 24, 37--46 (1985; Zbl 0571.35043)