@article{Semba1984, 
     author = "Semba, Ichiro", 
     journal = "Journal of information processing", 
     link = "http://ci.nii.ac.jp/naid/110002673365/", 
     number = "1", 
     pages = "41--42", 
     title = "An Efficient Algorithm for Generating all Partitions of the Set\{1, 2, ..., n\}", 
     uri = "http://ci.nii.ac.jp/naid/110002673365/", 
     volume = "7", 
     year = "1984", 
     zzzdoi = "MY/Semba_1984_110002673365", 
}

Problems: 369