@article{AUCMP_1987__28_2_a6,
     author = {Colbourn, Charles J.},
     title = {Leaves, excesses and neighborhoods},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {41--47},
     publisher = {mathdoc},
     volume = {28},
     number = {2},
     year = {1987},
     mrnumber = {0932738},
     zbl = {0639.05006},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/AUCMP_1987__28_2_a6/}
}