An elementary treatise on differential equations and their applications.

APA Citation

Piaggio, H. T. H. (Henry Thomas Herbert). (1952). An elementary treatise on differential equations and their applications. [Rev. ed.] London: Bell.

MLA Citation

Piaggio, H. T. H. (Henry Thomas Herbert), 1884-. An Elementary Treatise On Differential Equations And Their Applications. [Rev. ed.] London: Bell, 1952.