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| 2 | Advanced Engineering Mathematics, Wylie, C.R., L.C. Barrett, McGraw-Hill, New York,1995 |
| 3 | Elementary Applied Partial Differential Equations, Haberman, R., Prentice-Hall Inc., Englewood Cliffs, 1983. |
| 4 | Advanced Mathematical Methods for Engineering and Science Students, Stephenson, G., P.M. Radmore, Cambridge University Press, Cambridge, 1990 |