Bean, 1979, Avoidable patterns in strings of symbols, Pacific Journal of Mathematics, 85, 261, 10.2140/pjm.1979.85.261
Blanchet-Sadri, 2008
Blanchet-Sadri, 2011, Avoidable binary patterns in partial words, Acta Informatica, 48, 25, 10.1007/s00236-010-0129-0
Blanchet-Sadri, 2012, Computing the partial word avoidability indices of ternary patterns, vol. 7643, 206
Blanchet-Sadri, 2012, Erratum to: Avoidable binary patterns in partial words, Acta Informatica, 49, 53, 10.1007/s00236-011-0149-4
Lothaire, 1997
Lothaire, 2002
Zimin, 1984, Blocking sets of terms, Mathematics of the USSR. Sbornik, 47, 353, 10.1070/SM1984v047n02ABEH002647