Henderson, J., & Luca, R. (2016). Boundary value problems for systems of differential difference and fractional equations: Positive solutions. Elsevier.
Chicago-viite (17. p.)Henderson, Johnny, ja Rodica Luca. Boundary Value Problems for Systems of Differential Difference and Fractional Equations: Positive Solutions. Amsterdam: Elsevier, 2016.
MLA-viite (9. p.)Henderson, Johnny, ja Rodica Luca. Boundary Value Problems for Systems of Differential Difference and Fractional Equations: Positive Solutions. Elsevier, 2016.
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