It was apparently first discussed by the distinguished (and mathematically gifted) astronomer Yusuke Hagihara.
The articles he published in the 1920s have been noticed by Yusuke Hagihara and further analysed by Florin Diacu and co-workers.
He has pointed out the importance of the post-Newton models for celestial mechanics, namely that developed by Georgi Manev.
Yusuke Naora | Yusuke Murata | Yusuke Hagihara | Yusuke Kanamaru | Yusuke Hayashi |