The geometry of the whirl-motion group $G_6$: elementary invariants
Authors:
Edward Kasner and John de Cicco
Journal:
Bull. Amer. Math. Soc. 44 (1938), 399-403
DOI:
https://doi.org/10.1090/S0002-9904-1938-06766-3
Cited work:
Bull. Amer. Math. Soc., Volume 47, Number 12, Part 1 (1941), 927--933
MathSciNet review:
1563756
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