Research Institute for Advanced Study (Baltimore, Md.)\nUniversity of Maryland, College Park. (1963). Contributions to Differential Equations. Interscience Publishers.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিResearch Institute for Advanced Study (Baltimore, Md.)\nUniversity of Maryland, College Park. Contributions to Differential Equations. New York: Interscience Publishers, 1963.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিResearch Institute for Advanced Study (Baltimore, Md.)\nUniversity of Maryland, College Park. Contributions to Differential Equations. Interscience Publishers, 1963.
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