LIGO/Virgo S190421ar/G330308: ANTARES neutrino search. Ageron, M. ; Baret, B. ; Coleiro, A. ; Colomer, M. ; Dornic, D. ; Kouchner, A. ; Pradier, T. Abstract Publication: GRB Coordinates Network Pub Date: 2019 Bibcode: 2019GCN.24156....1A