Ptashnyk, B. Y., & Repetylo, S. M. (2015). The Dirichlet–Neumann problem for linear nonelliptic partial differential equations with constant coefficients.
Chicago Style (17th ed.) CitationPtashnyk, B. Y., and S. M. Repetylo. The Dirichlet–Neumann Problem for Linear Nonelliptic Partial Differential Equations with Constant Coefficients. 2015.
MLA (8th ed.) CitationPtashnyk, B. Y., and S. M. Repetylo. The Dirichlet–Neumann Problem for Linear Nonelliptic Partial Differential Equations with Constant Coefficients. 2015.
Warning: These citations may not always be 100% accurate.