Complex sentence: Kocharovskaya earned a doctorate in 1986 from N. I. Lobachevsky State University of Nizhny Novgorod, and completed a habilitation in 1996.
Split into simpler sentences: Kocharovskaya earned a doctorate in 1986 from N. I. Lobachevsky State University of Nizhny Novgorod. She completed a habilitation in 1996.