Strengthening pseudoconvexity of finite-dimensional Teichmüller spaces. S.L. Krushkal — 1991 Mathematische Annalen
Grunsky coefficient inequalities, Caratheodory metric and extremal quasiconformal mappings. S.L. Krushkal — 1989 Commentarii mathematici Helvetici
Complex geometry of the universal Teichmüller space. Krushkal', S.L. — 2004 Sibirskij Matematicheskij Zhurnal