@article{oai:soar-ir.repo.nii.ac.jp:00012119, author = {ASADA, AKIRA}, issue = {1}, journal = {信州大学理学部紀要}, month = {Nov}, note = {Article, 信州大学理学部紀要 22(1): 27-37(1987)}, pages = {27--37}, title = {Monodromy of a Differential Equation Having a Quadratic Non Linear Term}, volume = {22}, year = {1987} }