Research Institute for Advanced Study (Baltimore, Md.)\nUniversity of Maryland, College Park. (1963). Contributions to Differential Equations. Interscience Publishers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Research Institute for Advanced Study (Baltimore, Md.)\nUniversity of Maryland, College Park. Contributions to Differential Equations. New York: Interscience Publishers, 1963.
Παραπομπή σε μορφή MLA (8th εκδ.)Research Institute for Advanced Study (Baltimore, Md.)\nUniversity of Maryland, College Park. Contributions to Differential Equations. Interscience Publishers, 1963.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.