hat
(en) Jeffrey Lagarias, The 3x +1 Problem: An Annotated Bibliography, II (2000-) Yon paj nan FAQ nan fr.sci.maths Jean-Paul Delahaye, "konjekti Sirakiz la", Pou Syans, n , Me 1998 [PDF] (en) Sinyor, J., "T'he 3x+1 Problem asSting Rewriting System," International journal of Mathematics and Mathematical Sciences, Volim 2010 (2010), ID Atik 458563, 6 paj.
fra
(en) Jeffrey Lagarias, The 3x+1 Problem: An Annotated Bibliography, II (2000-) Une page de la FAQ de fr.sci.maths Jean-Paul Delahaye, « La conjecture de Syracuse », Pour la Science, no 247, mai 1998 [PDF] (en) Sinyor, J., « The 3x+1 Problem as a String Rewriting System », International Journal of Mathematics and Mathematical Sciences, Volume 2010 (2010), Article ID 458563, 6 pages.