1987 animated feature film directed by Leonid Nosyrev

1986 Soviet animated film

1995 novel by Juriy Iosifovitsj Koval

book by Juriy Iosifovitsj Koval

animated film directed by Leonid Nosyrev

book by Yuri Koval

1979 animated short film directed by Leonid Nosyrev

1986 film directed by Yulian Kalisher

Short novel by Yury Koval (1974)

1978 film by Eduard Bocharov

animated film directed by Natan Lerner

animated film directed by Yulian Kalisher

1984 novella by Yury Koval

1981 animated film directed by Leonid Nosyrev

1981 film by Vladimir Popov