@inproceedings{STOC-1993-ChouK,
	author        = "Arthur W. Chou and Ker-I Ko",
	booktitle     = "{Proceedings of the 25th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/167088.167093",
	isbn          = "0-89791-591-7",
	pages         = "1--10",
	publisher     = "{ACM}",
	title         = "{Some complexity issues on the simply connected regions of the two-dimensional plane}",
	year          = 1993,
}