Broman. (1970). Introduction to partial differential equations from series to boundary - value problems. Addison - Wesley publishing company.
Παραπομπή σε μορφή Chicago (17η εκδ.)Broman. Introduction to Partial Differential Equations from Series to Boundary - Value Problems. California: Addison - Wesley publishing company, 1970.
Παραπομπή σε μορφή MLA (8th εκδ.)Broman. Introduction to Partial Differential Equations from Series to Boundary - Value Problems. Addison - Wesley publishing company, 1970.
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