Piccione, P. A variational theory for light rays in convex subsets of stably causal lorentzian manifolds.
शिकागो स्टाइल उद्धरणPiccione, Paolo. A Variational Theory for Light Rays in Convex Subsets of Stably Causal Lorentzian Manifolds.
एमएलए उद्धरणPiccione, Paolo. A Variational Theory for Light Rays in Convex Subsets of Stably Causal Lorentzian Manifolds.
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