@book{8916804,
	author = {Gerštejn, S. S. and Stroganov, Ju. G.},
	title = {Neutral currents with account of quark-antiquark sea increase},
	year = {1976},
	series = {Inst. for high energy physics},
	address = {Serpukhov},
	note = {Рез. на рус. яз.}
}