%0 Journal Article %A N. P. Belyakova %T Isomorphisms of the lattices of $\alpha$-admissible subgroups of torsion-free abelian groups %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1973 %P 3-13 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1973_10_a0/ %G ru %F IVM_1973_10_a0