@InProceedings{l04-p329-338, AUTHOR = {Sergei Bespamyatnikh}, TITLE = {Encoding Homotopy of Paths in the Plane}, YEAR = 2004, ADDRESS = {Buenos Aires, Argentina}, BOOKTITLE = {Proc.~of the 6th Latin American Symposium on Theoretical Informatics (LATIN'04)}, PAGES = {329--338}, KEYWORDS = {}}