Churchill, R. V. 1. (1958). Operational mathematics McGraw-Hill.
Citación estilo ChicagoChurchill, Ruel V. 1899-1987. Operational Mathematics. 2nd ed. New York: McGraw-Hill, 1958.
Cita MLAChurchill, Ruel V. 1899-1987. Operational Mathematics. 2nd ed. New York: McGraw-Hill, 1958.
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