@article{Li2003, 
     author = "Li, Zhang-Jian and Nakano, Shin-ichi", 
     doi = "MY/ietisy/e86-d.4.698", 
     issn = "09168532", 
     journal = "IEICE transactions on information and systems", 
     link = "http://ci.nii.ac.jp/naid/110003223268/", 
     number = "4", 
     pages = "698--703", 
     publisher = "一般社団法人電子情報通信学会", 
     title = "Generating Biconnected Plane Quadrangulations", 
     uri = "http://ci.nii.ac.jp/naid/110003223268/", 
     volume = "E86-D", 
     year = "2003", 
}

Problems: 168