@book{201286,
	author = {Potekhin, Ivan Izosimovich. and Institut Afriki (Akademiia nauk SSSR)},
	title = {African problems :},
	publisher = {Nauka,},
	year = {1968.},
	address = {Moscow :},
	note = {At head of title: U.S.S.R. Academy of Sciences. Institute of Africa.}
}