@article{10_21136_CMJ_1980_101711,
     author = {Foregger, Marsha F. and Foregger, Thomas H.},
     title = {The tree-covering number of a graph},
     journal = {Czechoslovak Mathematical Journal},
     pages = {633--639},
     year = {1980},
     volume = {30},
     number = {4},
     doi = {10.21136/CMJ.1980.101711},
     mrnumber = {592326},
     zbl = {0473.05048},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1980.101711/}
}