@article{oai:repository.dl.itc.u-tokyo.ac.jp:00039936, author = {Sibuya, Yasutaka}, issue = {3}, journal = {Journal of the Faculty of Science, University of Tokyo. Sect. 1, Mathematics, astronomy, physics, chemistry = 東京大學理學部紀要. 第1類, 數學, 天文學, 物理學, 化學}, month = {Feb}, pages = {333--341}, title = {Sur les solutions bornees d'un systeme des equations differentielles ordinaires non lineaires a coefficients periodiques}, volume = {7}, year = {1956} }