Phillips, H. B. 1. (1934). Differential equations (Third edition.). New York: John Wiley & Sons, Inc..
Citación estilo ChicagoPhillips, Henry Bayard 1881-1973. Differential Equations. Third edition. New York: John Wiley & Sons, Inc., 1934.
Cita MLAPhillips, Henry Bayard 1881-1973. Differential Equations. Third edition. New York: John Wiley & Sons, Inc., 1934.
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