Research Institute for Advanced Study (Baltimore, Md.)\nUniversity of Maryland, College Park. (1963). Contributions to Differential Equations. Interscience Publishers.
Chicago-viite (17. p.)Research Institute for Advanced Study (Baltimore, Md.)\nUniversity of Maryland, College Park. Contributions to Differential Equations. New York: Interscience Publishers, 1963.
MLA-viite (8. p.)Research Institute for Advanced Study (Baltimore, Md.)\nUniversity of Maryland, College Park. Contributions to Differential Equations. Interscience Publishers, 1963.
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