Iwamoto, K.Mazzali, P.~A.Nomoto, K.Umeda, H.Nakamura, T.Patat, F.Danziger, I.~J.Young, T.~R.Suzuki, T.Shigeyama, T.Augusteijn, T.Doublier, V.Gonzalez, J. -F.Boehnhardt, H.Brewer, J.Hainaut, O.~R.Lidman, C.Leibundgut, B.Cappellaro, E.Turatto, M.Galama, T.~J.Vreeswijk, P.~M.Kouveliotou, C.van Paradijs, J.Pian, E.Palazzi, E.Frontera, F.2025-06-302025-06-300028-0836Bibtex:1998Natur.395..672Ihttps://hdl.handle.net/1885/7337656553Astrophysics1998-10-0110.1038/271550032531805