@book{68176,
	author = {Lebedev, N. N. and Shalskaya, I. P.},
	title = {Problems in mathematical physics /},
	publisher = {Pergamon,},
	year = {1966},
	address = {London ;},
	edition = {1st ed.},
	note = {Translation of [Sbornik zadach po matematicheskoi fizike]}
}