ISBN 9781314492217 books & textbook
Sonya Kovalevsky; A Biography, and Sisters Rajevsky; Being an Account of Her Life by Sonya Kovalevsky
1849-1892, Leffler Anne Charlotte
Hardpress Publishing /2013-06-23 Paperback / 406 Pages
isbn-10: 1314492217 / isbn-13: 9781314492217
