@article{01494262,
title = {On },
journal = {Annales Academiae Scientiarum Fennicae. Mathematica},
volume = {25},
year = {2000},
pages = {477-486},
zbl = {0957.30023},
language = {en},
url = {http://dml.mathdoc.fr/item/01494262}
}
Dyakonov, Konstantin M.; Girela, Daniel. On . Annales Academiae Scientiarum Fennicae. Mathematica, Tome 25 (2000) pp. 477-486. http://gdmltest.u-ga.fr/item/01494262/