Wolf, J. A. (1967). Spaces of constant curvature. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoWolf, Joseph Albert. Spaces of Constant Curvature. New York: McGraw-Hill, 1967.
MLA citiranjeWolf, Joseph Albert. Spaces of Constant Curvature. New York: McGraw-Hill, 1967.
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