Geodesic
The Cartesian product of sets and the Hessenberg natural product of ordinals
Czechoslovak Mathematical Journal, Tome 29 (1979) no. 3, pp. 353-358

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MR Zbl
DOI : 10.21136/CMJ.1979.101618
Classification : 04A10 
Levitz, Hilbert. The Cartesian product of sets and the Hessenberg natural product of ordinals. Czechoslovak Mathematical Journal, Tome 29 (1979) no. 3, pp. 353-358. doi: 10.21136/CMJ.1979.101618
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[1] Bachmann H.: Transfinite Zahlen. Springer Verlag, Berlin-Heidelberg-New York, 1967. | MR | Zbl

[2] Ehrenfeucht A.: Polynomical functions with exponentiation are well ordered. Algebra Universalis, vol. 3, (1973) pp. 261-262. | DOI | MR

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