Akivis, M. (2003). Differential geometry of varieties with degenerate gauss maps. Springer Pub.
Lua i Stíl Chicago (17ú heag.)Akivis, M. Differential Geometry of Varieties with Degenerate Gauss Maps. New York: Springer Pub, 2003.
Lua MLA (9ú heag.)Akivis, M. Differential Geometry of Varieties with Degenerate Gauss Maps. Springer Pub, 2003.
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