@article{hal-01514107,
author = {Kyritsis, Konstantinos, },
title = {Alternative algebraic definitions of the Hessenberg natural operations in the ordinal numbers},
journal = {HAL},
volume = {1995},
number = {0},
year = {1995},
language = {en},
url = {http://dml.mathdoc.fr/item/hal-01514107}
}
Kyritsis, Konstantinos, . Alternative algebraic definitions of the Hessenberg natural operations in the ordinal numbers. HAL, Tome 1995 (1995) no. 0, . http://gdmltest.u-ga.fr/item/hal-01514107/