@inbook{inbook, title = {{Numerical Techniques Finite Difference and Boundary Element Methods}}, publisher = {{Springer London}}, url = {{}}, year = {{1989}}, month = {{2}}, author = {{Ingham DB}}, doi = {{10.1007/978-1-4471-1033-0_3}}, isbn = {{9781447112594}}, pages = {{34-48}}, note = {{Accessed on 2025/05/17}}}