Gessen, Masha. Perfect Rigor: A Genius and the Mathematical Breakthrough of the Century - Boston : Houghton Mifflin Harcourt, 2009. - 242 p; 24 cm. ISBN: 9780151014064 Subjects--Topical Terms: Mathematicians--Russia (Federation) |--BiographyPoincaré conjecture. LC Class. No.: QA29.P6727 G47