@article{10_4064_aa_77_2_179_193, author = {Yuji Hasegawa and Ki-ichiro Hashimoto}, title = {Hyperelliptic modular curves {X₀*(N)} with square-free levels}, journal = {Acta Arithmetica}, pages = {179--193}, publisher = {mathdoc}, volume = {77}, number = {2}, year = {1996}, doi = {10.4064/aa-77-2-179-193}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-77-2-179-193/} }