@article{AUPO_2006__45_1_a4,
     author = {Danchev, P. V.},
     title = {Direct decompositions and basic subgroups in commutative group rings},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {53--56},
     publisher = {mathdoc},
     volume = {45},
     number = {1},
     year = {2006},
     mrnumber = {2321297},
     zbl = {1122.16308},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUPO_2006__45_1_a4/}
}