@article{Ponstein1966, 
     author = "Ponstein, J.", 
     doi = "10.1137/0114051", 
     issn = "0036-1399", 
     journal = "SIAM Journal on Applied Mathematics", 
     keyword = "J. Ponstein", 
     link = "http://epubs.siam.org/doi/abs/10.1137/0114051", 
     month = "mar", 
     number = "3", 
     pages = "600--609", 
     title = "Self-Avoiding Paths and the Adjacency Matrix of a Graph", 
     uri = "http://epubs.siam.org/doi/abs/10.1137/0114051", 
     volume = "14", 
     year = "1966", 
}

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