SW Spaces with distinguished geodesics by Busemann, Herbert, Phadke, B. B. fromMonographs and textbooks in pure and applied mathematics 0 Type: Book
VM Variational methods in Lorentzian geometry by Masiello, Antonio fromPitman research notes in mathematics series 0 Type: Book
BO Behavior of distant maximal geodesics in finitely connected complete 2-dimensional Riemannian manifolds by Shioya, Takashi, American Mathematical Society fromMemoirs of the American Mathematical Society 0 Type: Book