TY  - GEN
AU  - Gardner, M
TI  - Matematicheskie chudesa i tajny: Mateamticheskie fokusy i golovolomki
U1  - 518.92 
PY  - 1964///
CY  - Moskva
PB  - Izdatel'stvo "Nauka"
N1  - Scriere chirilica; Mathematics magic and mystery - Martin Gardner (New York - Dover Publications)
ER  -