%0 Journal Article %T The binary millisecond pulsar PSR J1023+0038 – II. Optical spectroscopy %A Shahbaz,, T %A Linares,, M %A Rodríguez-Gil,, P %A Casares,, J %J Monthly Notices of the Royal Astronomical Society %V 488 %N 1 %@ 0035-8711 %D 2019-09-01 %I The Royal Astronomical Society %~ DeepDyve