@article{EXMATH_2008_2008_1_a4,
     author = {Danchev, P. },
     title = {Trivial units in commutative group algebras. },
     journal = {Extracta mathematicae},
     pages = {49-60},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_2008_2008_1_a4/}
}