Golovolomki
Subtitle: [Dli͡a︡ deteĭ]
By: L.P. Mochalov ; Pod red. A.P. Savina.
Series: Bibliotechka "Kvant" ;; vyp. 6
Publisher: "Nauka"; Nauka
Published: 1980
Place of publication: Moskva
Language: rus
Number of pages: 126
Subjects: Mathematical recreations -- Juvenile literature.