Usmani, R. A., & Sakai, M. (1987). TWO NEW FINITE DIFFERENCE METHODS FOR COMPUTING EIGENVALUES OF A FOURTH ORDER LINEAR BOUNDARY VALUE PROBLEM. International Journal of Mathematics and Mathematical Sciences, 1987(3), 525-529. https://doi.org/10.1155/S0161171287000620
Citácia podle Chicago (17th ed.)Usmani, Riaz A., a Manabu Sakai. "TWO NEW FINITE DIFFERENCE METHODS FOR COMPUTING EIGENVALUES OF A FOURTH ORDER LINEAR BOUNDARY VALUE PROBLEM." International Journal of Mathematics and Mathematical Sciences 1987, no. 3 (1987): 525-529. https://doi.org/10.1155/S0161171287000620.
Citácia podľa MLA (8th ed.)Usmani, Riaz A., a Manabu Sakai. "TWO NEW FINITE DIFFERENCE METHODS FOR COMPUTING EIGENVALUES OF A FOURTH ORDER LINEAR BOUNDARY VALUE PROBLEM." International Journal of Mathematics and Mathematical Sciences, vol. 1987, no. 3, 1987, pp. 525-529, https://doi.org/10.1155/S0161171287000620.