FINNEY, R. L. (1976). Elementary differential equations: With linear algebra. Addison-Wesley.
Cita Chicago (17th ed.)FINNEY, Ross L. Elementary Differential Equations: With Linear Algebra. Reading, Mass: Addison-Wesley, 1976.
Cita MLA (9th ed.)FINNEY, Ross L. Elementary Differential Equations: With Linear Algebra. Addison-Wesley, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.