@book{8425565,
	author = {Kašin, V. N. and Čerkasov, N.},
	title = {What is the transition period?},
	publisher = {Progress},
	year = {1987},
	series = {ABC of social and political knowledge},
	address = {M.},
	note = {На обороте тит. л.: Что такое переходный период? / В. Кашин, Н. Черкасов}
}