The colossal book of short puzzles and problems : combinatorics, probability, algebra, geometry, topology, chess, logic, cryptarithms, wordplay, physics and other topics of recreational mathematics 15/01/2020 by blocmat Deixa un comentari ← Previous Image Next Image → https://cercabib.ub.edu/iii/encore/record/C__Rb2380440 Sol·licitat per: Biblioteca