ISBN 1371706883 books & textbook
Sónya Kovalévsky; Her Recollections of Childhood
Leffler, Anne Charlotte 1849-1892 Hapgood, Isabel Florence Kovalevskaia, S. V. (Sofia Vasilevna) 1
Wentworth Press /2016-08-27 Hardcover / 332 Pages
isbn-10: 1371706883 / isbn-13: 9781371706883
