Method of Averaging in the Theory of Orthogonal Series and Some Problems in the Theory of BasesAmerican Mathematical SocietyHäftad, 1980837 kr
William Lowell Putnam Mathematical CompetitionA.M. Gleason, R.E. Greenwood, L.M. KellyHäftad, 1980838 kr
Algebraic and Geometric Methods in Linear Systems TheoryAmerican Mathematical SocietyInbunden, 1980780 kr