by (United States)J.E.Marsden;by (United States)A.G.Ramm; by (United States)J.E.Marsden;by (United States)C.L.Siegel; by (United States)A.E.Martin;by (United States)A.N.Campbell; by (United States)G.I.Marchuk;by (United States)J.C.Nash; by (United States)R.E.Matick;by (United States)T.C.Bartee; by (United States)C.E.Moore;by (United States)J.Wisniak; by (United States)J.B.Rajam;by (United States)A.W.Smith; by (United States)J.G.Roloff;by (United States)M.K.Rice; by (United States)J.B.Marion;by (United States)R.Muncaster; by (United States)A.E.Wier;by (United States)A.E.Wier;