Wen, G. C., & Begehr Hemirich, G. (1990). Boundary Valve Problem for Elliptic Equations and Systems. LogMan Scientific and Technical.
Chicago Edition CitationWen, Guo Chun, and G. Begehr Hemirich. Boundary Valve Problem for Elliptic Equations and Systems. LogMan Scientific and Technical, 1990.
MLA Edition CitationWen, Guo Chun, and G. Begehr Hemirich. Boundary Valve Problem for Elliptic Equations and Systems. LogMan Scientific and Technical, 1990.
Warning: These citations may not always be 100% accurate.