TY  - BOOK
AU  - Gessen, Masha.
TI  - Perfect Rigor: : A Genius and the Mathematical Breakthrough of the Century 
SN  - 9780151014064
AV  -  QA29.P6727 G47  
PY  - 2009///
CY  - Boston : 
PB  - Houghton Mifflin Harcourt
KW  -  Mathematicians
KW  - Biography
KW  - Russia (Federation) |
KW  - Poincaré conjecture
ER  -