@InProceedings{l95-p300-310, AUTHOR = {G. Galbiati and A. Morzenti and F. Maffioli}, TITLE = {On the Approximability of Some Maximum Spanning Tree Problems}, YEAR = 1995, BOOKTITLE = {Proc.~of the 2nd Latin American Symposium on Theoretical Informatics (LATIN'95)}, ADDRESS = {Valparaiso, Chile}, PAGES = {300--310}, KEYWORDS = {}}