Definitely maybe a manuscript discovered under unusual circumstances /
Strugat︠s︡kiĭ, Arkadiĭ Natanovich.
Strugat︠s︡kiĭ, Boris Natanovich.
Bouis, Antonina W.
New York Collier Books London Collier Macmillan
1978
This translation also published: New York : Macmillan, 1978. - Translation of: 'Za milliard let do kontsa sveta'. Russia : s.n., 197-?
Russian fiction.