english: Here's a paper which you could [unclear] -- designed by a mathematician at Harvard in 1928, Arthur Stone, documented by Martin Gardner in many of his many books.
non_english: Je to papier, s ktorým by ste [nejasné] navrhnutý v roku 1928 matematikom z Harvardu, Arthurom Stoneom, zdokumentovaný v knihách Martina Gardnera.