John K. Beem

Review: Barrett O'Neill, Semi-Riemannian geometry: With applications to relativity

John K. Beem, J. Beem, 1987 .

Pseudo-Riemannian manifolds with totally geodesic bisectors

John K. Beem, J. Beem, 1975 .

Global Lorentzian Geometry

John K. Beem, J. Beem, Paul E. Ehrlich, 1981 .