APA (7th ed.) Citation

Smith, D. R. (1980). On a singularly perturbed boundary value problem arising in the physical theory of semiconductors. München.

Chicago Style (17th ed.) Citation

Smith, Donald R. On a Singularly Perturbed Boundary Value Problem Arising in the Physical Theory of Semiconductors. München: München, 1980.

MLA (9th ed.) Citation

Smith, Donald R. On a Singularly Perturbed Boundary Value Problem Arising in the Physical Theory of Semiconductors. München, 1980.

Warning: These citations may not always be 100% accurate.