James, G. and Dyke, P. (2018) Advanced modern engineering mathematics. Fifth edition. Harlow, England: Pearson. Available at: https://ebookcentral.proquest.com/lib/leicester/detail.action?docID=5138099.
Kreyszig, E., Kreyszig, H. and Norminton, E.J. (2011) Advanced engineering mathematics. 10th ed., International student version. Hoboken, N.J.: Wiley.