MASTER: RXTE GRB040308 optical observation. Lipunov, V. ; Krylov, A. ; Kornilov, V. ; Borisov, G. ; Kuvshinov, D. ; Belinski, A. ; Chilingarian, I. ; Kuznetsov, M. ; Potanin, S. ; Antipov, G. Abstract Publication: GRB Coordinates Network Pub Date: 2004 Bibcode: 2004GCN..2543....1L