after the initial shock, kovalevskaya immersed herself in mathematical work in an attempt to rid herself of feelings of guilt. mittag-leffler managed to overcome opposition to kovalevskaya in stockholm, and obtained for her a position as privat docent .

This is all lower case. Can you fix that?
After the initial shock, Kovalevskaya immersed herself in mathematical work in an attempt to rid herself of feelings of guilt. Mittag-Leffler managed to overcome opposition to Kovalevskaya in Stockholm, and obtained for her a position as privat docent .