Lyapunov Sergey Mikhaylovich - - WQXR radio's Classical Music Scene entry from the Grove Concise Dictionary of Music. Includes brief biography, major musical themes, and related composers. http://www.wqxr.com/cgi-bin/iowa/cla/learning/grove.html?record=5575
Sergei Lyapunov - - Article by David Wright for MusicWeb (UK) with detailed biography and comments on various symphonies, concerti, and other piano and orchestral works. http://www.musicweb-international.com/classrev/2002/Aug02/Lyapunov.htm
Sergei Michailovich Liapunov (1859 - 1924) - - Karadar dictionary entry with life, related composers, noted works, and MIDI audio sample. http://www.karadar.it/Dictionary/liapunov.html
