Bell, W. W. (1968). Special functions for scientists and engineers. Van Nostrand.
Cita Chicago (17th ed.)Bell, William Wallace. Special Functions for Scientists and Engineers. London: Van Nostrand, 1968.
Cita MLA (9th ed.)Bell, William Wallace. Special Functions for Scientists and Engineers. Van Nostrand, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.