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The variational theory of the perfect fluid with intrinsic spin and dilatoniccharge (dilaton-spin fluid) is developed. The spin tensor obeys the classicalFrenkel condition. The Lagrangian density of such fluid is stated, and theequations of motion of the fluid, the Weyssenhoff-type evolution equation ofthe spin tensor and the conservation law of the dilatonic charge are derived.The expressions of the matter currents of the fluid (the canonicalenergy-momentum 3-form, the metric stress-energy 4-form and the dilaton-spinmomentum 3-form) are obtained.Comment: 25 July 1997. - 10 p. The variational procedure is improved, the  results being unchange

The Variational Theory of the Perfect Dilaton-Spin Fluid in a Weyl–Cartan Space