Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) CUI Pingyuan and REN Yuan and LUAN Enjie,"Low-Thrust, Multi-Revolution Orbit Transfer under the Constraint of a Switch Function without Prior Information",TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES,05493811,THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES,2008,50,170,240-245,https://cir.nii.ac.jp/crid/1390282679057439872,https://doi.org/10.2322/tjsass.50.240