Original: Liapunov Sergei Michailovich (1859 - 1924) [Lyapunov, Ljapunov, Liapounow] RUSSIA.Liapunov - Trascendental Etudes, Op.11. Etude 12 ...
Translation: Sergei Liapunov Michailovich (1859 - 1924) [Lyapunov, Ljapunov, Liapounow] RUSSIA.Liapunov - Transcendental Etudes, op.11. Etude 1 ...