@article{00247049,
title = {Structural theorems for the },
journal = {Mathematica Pannonica},
volume = {4},
year = {1993},
pages = {23-35},
zbl = {0796.46021},
language = {en},
url = {http://dml.mathdoc.fr/item/00247049}
}
Pilipović, S.; Stanković, B. Structural theorems for the . Mathematica Pannonica, Tome 4 (1993) pp. 23-35. http://gdmltest.u-ga.fr/item/00247049/