V404Cyg Swift Trigger 668097: AbAO optical observations. Mazaeva, E. ; Inasaridze, R. ; Volnova, A. ; Ayvazian, V. ; Molotov, I. ; Pozanenko, A. Abstract Publication: GRB Coordinates Network Pub Date: 2015 Bibcode: 2015GCN.18767....1M