@article{VTGU_2017_46_a2,
     author = {Peter V. Danchev},
     title = {On $p^n${Bext} projective abelian $p$-groups},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {21--23},
     publisher = {mathdoc},
     number = {46},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2017_46_a2/}
}