@article{10_37236_454,
     author = {Ying-Chao Hung and Robert W. Chen and Alan Zame and May-Ru Chen},
     title = {A note on the first occurrence of strings},
     journal = {The electronic journal of combinatorics},
     year = {2010},
     volume = {17},
     doi = {10.37236/454},
     zbl = {1187.91022},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/454/}
}