Olver, P. J. (2010). Equivalence, invariance, and symmetry. Camridge University Press.
Dyfyniad Arddull ChicagoOlver, Peter J. Equivalence, Invariance, and Symmetry. Camridge University Press, 2010.
Dyfyniad MLAOlver, Peter J. Equivalence, Invariance, and Symmetry. Camridge University Press, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.