@article{DMGT_2011_31_1_a7,
     author = {Fujisawa, Jun and Saito, Akira and Schiermeyer, Ingo},
     title = {Closure for spanning trees and distant area},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {143--159},
     publisher = {mathdoc},
     volume = {31},
     number = {1},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2011_31_1_a7/}
}