@article{104627,
author = {Old\v rich Kope\v cek},
title = {Allgemeine Kardinaloperationen},
journal = {Archivum Mathematicum},
volume = {003},
year = {1967},
pages = {35-44},
zbl = {0164.31604},
mrnumber = {0221985},
language = {de},
url = {http://dml.mathdoc.fr/item/104627}
}
Kopeček, Oldřich. Allgemeine Kardinaloperationen. Archivum Mathematicum, Tome 003 (1967) pp. 35-44. http://gdmltest.u-ga.fr/item/104627/
Lattice Theory, rev. ed., New York, 1948. (1948) | MR 0029876 | Zbl 0033.10103
Generalized arithmetic, Duke Math. Journ. 9 (1942), 283-302. (1942) | MR 0007031
Arithmetic of ordered systems, Trans. Amer. Math. Soc. 58 (1945), 1-43. (1945) | MR 0012262 | Zbl 0060.05813