@article{Mayr1992, 
     author = "Mayr, Ernst W and Plaxton, C Greg", 
     doi = "10.1007/BF01305236", 
     issn = "02099683", 
     journal = "Combinatorica", 
     keyword = "05C85,68R10,AMS subject classification code (1991): 05C05", 
     link = "http://link.springer.com/article/10.1007/BF01305236", 
     number = "4", 
     pages = "433--447", 
     title = "On the spanning trees of weighted graphs", 
     uri = "http://link.springer.com/article/10.1007/BF01305236", 
     volume = "12", 
     year = "1992", 
}

Problems: 88