TY - GENERIC DO - 10.20944/preprints202012.0510.v2 UR - http://dx.doi.org/10.20944/preprints202012.0510.v2 TI - On Some Damped 2 Body Problems T2 - Preprints AU - Haraux, Alain PY - 2020 DA - 2020/12/23 PB - Preprints