by (United States)P.R.Halmos;by (United States)V.A.Pogorelov; by (United States)P.R.Halmos;by (United States)T.Kato; by (United States)C.O.Harris;by (United States)P.E.Popov; by (United States)P.Ramond;by (United States)D.E.Soper; by (United States)C.Neider;by (United States)E.A.Poe; by (United States)D.C.Harris;by (United States)V.P.Kudesis; by (United States)G.V.Rao;by (United States)P.E.Burton; by (United States)J.D.Hart;by (United States)P.B.High; by (United States)L.W.Burke;by (United States)P.Moore; by (United States)P.Halpern;by (United States)D.I.Novikov;