Helmut H. Schaefer

Aspects of positivity in functional analysis

1986

Georg Cantor und das Unendlich

Georg Cantor und das Unendliche in der Mathematik

1982

Banach lattices and positive operators

1974

Lectures by Helmut H. Schaefer

Lectures by Helmut H. Schaefer on Locally convex vector spaces, 1958-1959

1960