کتاب های B. A. Kordemskii
The Moscow puzzles: 359 mathematical recreations
B. A. KordemskiI, 1977
The Moscow Puzzles: 359 Mathematical Recreations
B. A. KordemskiI, 1977
The Moscow Puzzles: 359 Mathematical Recreations
B. A. KordemskiI, 1977
