Khawaja, U. A., & Al-Mdallal, Q. M. Convergent Power Series of sech(x) and Solutions to Nonlinear Differential Equations. Wiley.
Chicago Style (17th ed.) CitationKhawaja, U. Al, and Qasem M. Al-Mdallal. Convergent Power Series of Sech(x) and Solutions to Nonlinear Differential Equations. Wiley.
MLA (9th ed.) CitationKhawaja, U. Al, and Qasem M. Al-Mdallal. Convergent Power Series of Sech(x) and Solutions to Nonlinear Differential Equations. Wiley.
Warning: These citations may not always be 100% accurate.