TY - BOOK ED - The Directory of Open Access Journals TI - International Journal of Differential Equations SN - 1687-9643 CY - United Kingdom PB - Hindawi Limited KW - Differential equations UR - https://doaj.org/toc/3e64153de15c4521bb3dfa5b55fc7535 UR - https://www.hindawi.com/journals/ijde/ ER -