@book{51234,
	author = {Knopp, Konrad,},
	title = {Theory and application of infinite series /},
	publisher = {Blackie & Son ltd.,},
	year = {1951 [reprint 1954-1963]},
	address = {London :},
	edition = {eng edi. },
	note = {With a new chapter on Euler's summation formula and asymptotic expansions, translated by W.M. Deans.}
}