God's Love "Made Visible". Eine Weihnachtsmusik von Dave Brubeck
H. Schroeter-Wittke, Der Evangelische Erzieher 41 (1989) 506–508.
LibreCat: /record/43470

Compactly Embedded Cartan Algebras and Invariant Cones in Lie Algebras
J. Hilgert, K.H. Hofmann, Advances Math. 75 (1989) 168–201.
LibreCat: /record/51448

A Note on Howe's Oscillator Semigroup
J. Hilgert, Ann. Inst. Fourier 39 (1989) 663–688.
LibreCat: /record/51447

Lie Groups, Convex Cones, and Semigroups
J. Hilgert, K.H. Hofmann, J.D. Lawson, eds., Lie Groups, Convex Cones, and Semigroups, Oxford University Press, Oxford, 1989.
LibreCat: /record/51498