Иванов, Антон. Ivanov, Anton. Zagadka slona "Matiya" / Anton Ivanov [and] Anna Ustinova. - [Москва] : ексмо- пресс, 1998. - 235 p. : ISBN: 5040017405 Subjects--Topical Terms: Children's literature, Russian Dewey Class. No.: 891.7309 / Za