SIMMONS GEORGE F. (2018). DIFFERENTIAL EQUATION WITH APPLICATION AND HISTORICAL NOTS. MC GRWA HILL , CHENNAI.
Lua i Stíl Chicago (17ú heag.)SIMMONS GEORGE F. DIFFERENTIAL EQUATION WITH APPLICATION AND HISTORICAL NOTS. MC GRWA HILL , CHENNAI, 2018.
Lua MLA (9ú heag.)SIMMONS GEORGE F. DIFFERENTIAL EQUATION WITH APPLICATION AND HISTORICAL NOTS. MC GRWA HILL , CHENNAI, 2018.
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