@book{152180,
	author = {Vajravelu, Kuppalapalle, and Prasad, Kerehalli V.,},
	title = {Keller-box method and its application /},
	publisher = {De Gruyter/Higher Education Press,},
	year = {[2014]},
	series = {De Gruyter studies in mathematical physics,},
	address = {Berlin ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=11006493}
}