@article{YJOR_2002_12_1_a0,
     author = {Drago\v{s} Cvetkovi\'c and Mirjana \v{C}angalovi\'c},
     title = {Finding {Minimal} {Branchings} {With} a {Given} {Number} of {Arcs}},
     journal = {Yugoslav journal of operations research},
     pages = {1 },
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {2002},
     zbl = {1150.05401},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/YJOR_2002_12_1_a0/}
}