@article{hal-01512963, author = {Kyritsis, Konstantinos, }, title = {Free algebrae and alternative definitions of the Hessenberg operations in the ordinal numbers}, journal = {HAL}, volume = {1992}, number = {0}, year = {1992}, language = {en}, url = {http://dml.mathdoc.fr/item/hal-01512963} }
Kyritsis, Konstantinos, . Free algebrae and alternative definitions of the Hessenberg operations in the ordinal numbers. HAL, Tome 1992 (1992) no. 0, . http://gdmltest.u-ga.fr/item/hal-01512963/