Abelian groups with many automorphisms
Rendiconti del Seminario Matematico della Università di Padova, Tome 55 (1976), pp. 1-5 
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     author = {Hausen, Jutta and Johnson, Johnny A.},
     title = {Abelian groups with many automorphisms},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {1--5},
     year = {1976},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {55},
     mrnumber = {466349},
     zbl = {0358.20062},
     language = {en},
     url = {https://www.numdam.org/item/RSMUP_1976__55__1_0/}
}
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Hausen, Jutta; Johnson, Johnny A. Abelian groups with many automorphisms. Rendiconti del Seminario Matematico della Università di Padova, Tome 55 (1976), pp. 1-5. https://www.numdam.org/item/RSMUP_1976__55__1_0/

[1] L. Fuchs, Infinite Abelian Groups, vol. I, Academic Press, New York, 1970. | Zbl | MR

[2] L. Fuchs, Infinite Abelian Groups, vol. II, Academic Press, New York, 1973. | Zbl | MR

[3] A.P. Mishina, On automorphisms and endomorphisms of abelian groups, Vestnik, Moscow Univ. Ser. Matem. i Mekh., no. 4 (1962), 39-43 [Russian]. | MR

[4] A.D. Polimeni, Groups in which Aut(G) is transitive on the isomorphism classes of G, Pacific J. Math., 48 (1973), 473-480. | Zbl | MR