Petters, A. O. Curvature of caustics and singularities of gravitational lenses.
シカゴスタイル引用形Petters, Arlie O. Curvature of Caustics and Singularities of Gravitational Lenses.
MLA引用形式Petters, Arlie O. Curvature of Caustics and Singularities of Gravitational Lenses.
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