Mittal, P. (1999). Partial differential equations in physics. Har-Anand.
Cita Chicago (17th ed.)Mittal, P.K. Partial Differential Equations in Physics. New Delhi: Har-Anand, 1999.
Cita MLA (9th ed.)Mittal, P.K. Partial Differential Equations in Physics. Har-Anand, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.