BibTeX

@article { SZ01,
	title = {Classification of extremal elliptic K3 surfaces and fundamental groups of open K3 surfaces},
	journal = {Nagoya Math. J.},
	year = {2001},
	volume = {161},
	pages = {23--54},
	issn = {0027-7630},
	fjournal = {Nagoya Mathematical Journal},
	mrnumber = {MR1820211},
	author = {Shimada, Ichiro and Zhang, De-Qi}
}