@article{ASUO_2012_XX_3_a5, author = { PETER DANCHEV }, title = { An {Extension} of {Nice} {Bases} on {Ulm} {Subgroups} of {Primary} {Abelian } {Groups} }, journal = {Analele Universit\u{a}\c{t}ii "Ovidius" Constan\c{t}a Seria Matematic\u{a}}, publisher = {mathdoc}, volume = {XX}, number = {3}, year = {2012}, url = {http://geodesic.mathdoc.fr/item/ASUO_2012_XX_3_a5/} }