V541 Cyg
References
Khaliullin1985
Khaliullin, Kh. F. “The Unique Eclipsing Binary System V541 Cygni with Relativistic Apsidal Motion”: 1985, The Astrophysical Journal, Volume 299, pp. 668-673
http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1985ApJ...299..668K&db_key=AST&high=3f567b0b2c22431Lacy1998
Lacy, C. H. S. “Absolute Dimensions and Masses of V541 Cygni and the General Theory of Relativity”: 1998, The Astronomical Journal, Volume 115, pp. 801-808
http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1998AJ....115..801L&db_key=AST&high=3f567b0b2c22562