@article{Sawada2003a, 
     author = "Sawada, Joe", 
     doi = "10.1016/S0304-3975(03)00049-5", 
     issn = "03043975", 
     journal = "Theoretical Computer Science", 
     keyword = "CAT algorithm,Combinatorial optimization,Exhaustive generation,Fixed content,Lyndon word,Necklace,cat algorithm,combinatorial,exhaustive generation,fixed content,lyndon word,necklace", 
     link = "http://www.sciencedirect.com/science/article/pii/S0304397503000495 http://linkinghub.elsevier.com/retrieve/pii/S0304397503000495", 
     month = "may", 
     number = "1-3", 
     pages = "477--489", 
     title = "A Fast Algorithm to Generate Necklaces With Fixed Content", 
     uri = "http://www.sciencedirect.com/science/article/pii/S0304397503000495", 
     volume = "301", 
     year = "2003", 
}

Problems: 293