A Theorem on Series of Orthogonal Functions with an Application to Strum-Liouville Series (1917)(en)
معرفی کتاب «A Theorem on Series of Orthogonal Functions with an Application to Strum-Liouville Series (1917)(en)» نوشتهٔ Birkhoff, G. D.، منتشرشده توسط نشر National Academy of Sciences; Proceedings of the National Academy of Sciences; Oxford University Press (OUP); Publons; ScienceOpen (ISSN 0027-8424). این کتاب در فرمت pdf، زبان انگلیسی ارائه شده است.
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