Lane, E. (1942). A treatise on projective differential geometry. University of Chicago Press.
Lua i Stíl Chicago (17ú heag.)Lane, E.P. A Treatise on Projective Differential Geometry. Chicago: University of Chicago Press, 1942.
Lua MLA (9ú heag.)Lane, E.P. A Treatise on Projective Differential Geometry. University of Chicago Press, 1942.
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