APA-čujuhus (7. p.)
Gilkey, P. B. (2001). Geometric properties of natural operators defined by the Riemann curvature tensor. World Scientific.
Chicago-čujuhus (17. p.)
Gilkey, Peter B. Geometric Properties of Natural Operators Defined by the Riemann Curvature Tensor. River Edge, NJ: World Scientific, 2001.
MLA-čujuhus (9. p.)
Gilkey, Peter B. Geometric Properties of Natural Operators Defined by the Riemann Curvature Tensor. World Scientific, 2001.
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