1. E. Rukmangadachari, Differential Equations: Always learning, Pearson India, 2012.
2. Christian Constanda, Solution Techniques for Elementary Partial differential Equations, New York, 2002.
3. Dean G. Duffy, Transform Methods for Solving Partial Differential Equations, 2nd Ed, Chapman & Hall / CRC, Boca Raton, FL, 2004.
4. Stanley J. Farlow, An Introduction to Differential Equations and Their Applications, Dover Publications, 2012.
5. Lokenath Debnath and D. Bhatta, Integral transform and their Application, 2nd edition, Chapman and Hall/CRC (2006).