@article{JGAA_2006_10_2_a14,
     author = {Lev Levitin and Mark Karpovsky and Mehmet Mustafa and Lev Zakrevski},
     title = {A {New} {Algorithm} for {Finding} {Minimal} {Cycle-Breaking} {Sets} of {Turns} in a {Graph}},
     journal = {Journal of Graph Algorithms and Applications},
     pages = {387--420},
     publisher = {mathdoc},
     volume = {10},
     number = {2},
     year = {2006},
     doi = {10.7155/jgaa.00134},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00134/}
}