@article{Seidel1990, 
     author = "Seidel, Raimund", 
     doi = "10.1007/BF02574699", 
     isbn = "0897913620", 
     issn = "01795376", 
     journal = "Discrete \& Computational Geometry", 
     link = "http://dl.acm.org/citation.cfm?id=98570", 
     number = "1", 
     pages = "423--434", 
     title = "Small-dimensional linear programming and convex hulls made easy", 
     uri = "http://dl.acm.org/citation.cfm?id=98570", 
     volume = "6", 
     year = "1991", 
}

Problems: 111