ROSS, S. L. (1974). Differential Equations Sheppley L. Ross. John Wiley and Sons.
Lua i Stíl Chicago (17ú heag.)ROSS, Shepley L. Differential Equations Sheppley L. Ross. John Wiley and Sons, 1974.
Lua MLA (8ú heag.)ROSS, Shepley L. Differential Equations Sheppley L. Ross. John Wiley and Sons, 1974.
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