%0 Journal Article %A Foregger, Marsha F. %A Foregger, Thomas H. %T The tree-covering number of a graph %J Czechoslovak Mathematical Journal %D 1980 %P 633-639 %V 30 %N 4 %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1980.101711/ %R 10.21136/CMJ.1980.101711 %G en %F 10_21136_CMJ_1980_101711