@book{18298,
	author = { Wirkus, Stephen A.},
	title = {A course in differential equations with boundary-value problems},
	publisher = {CRC Press},
	year = {,2017.},
	address = {New York:},
	edition = {2nd},
	note = {Includes Index},
	url = {https://drive.google.com/file/d/1xfR_vpFX6p6WK_fmUQhcah5X0AJEFUuC/view?usp=sharing}
}