Vălean, C. I., & Vălean, C. I. (2019). (Almost) Impossible Integrals, Sums, and Series (1st ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-030-02462-8
Παραπομπή σε μορφή Chicago (17η εκδ.)Vălean, Cornel Ioan, και Cornel Ioan Vălean. (Almost) Impossible Integrals, Sums, and Series. 1st ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-02462-8.
Παραπομπή σε μορφή MLA (8th εκδ.)Vălean, Cornel Ioan, και Cornel Ioan Vălean. (Almost) Impossible Integrals, Sums, and Series. 1st ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-02462-8.
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