@article{MABA_1998_12_1-2_a2,
     author = {P. Danchev},
     title = {Invariants of {Commutative} {Group} {Algebras}},
     journal = {Mathematica balkanica},
     pages = {13},
     publisher = {mathdoc},
     volume = {12},
     number = {1-2},
     year = {1998},
     url = {http://geodesic.mathdoc.fr/item/MABA_1998_12_1-2_a2/}
}