Colton, D. L. (1988). Partial differential equations: An introduction. Random House.
Cita Chicago (17th ed.)Colton, David L. Partial Differential Equations: An Introduction. New York: Random House, 1988.
Cita MLA (9th ed.)Colton, David L. Partial Differential Equations: An Introduction. Random House, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.