@book{9725,
	author = {Forsyth, A. R.},
	title = {A treatise on differential equations /},
	publisher = {Dover Publications,},
	year = {1954.  },
	address = {60},
	edition = {.  },
	url = {http://www.amazon.com/exec/obidos/ASIN/0486693147/chopaconline-20}
}