@book{95044,
	author = {Ricardo, Henry ,},
	title = {A modern introduction to differential equations /},
	publisher = {Oxford Academic Press,},
	year = {2021},
	address = {London San Diego:},
	url = {https://www-sciencedirect-com.libraryumpsa.idm.oclc.org/book/9780128234174/a-modern-introduction-to-differential-equations}
}