@article{Pallo1987, 
     author = "Pallo, J.", 
     doi = "10.1080/00207168708803562", 
     issn = "0020-7160", 
     journal = "International Journal of Computer Mathematics", 
     link = "http://dx.doi.org/10.1080/00207168708803562", 
     month = "jan", 
     number = "2", 
     pages = "133--144", 
     publisher = "Taylor \& Francis", 
     title = "Generating Trees With N Nodes and M Leaves", 
     uri = "http://dx.doi.org/10.1080/00207168708803562", 
     volume = "21", 
     year = "1987", 
}

Problems: 359