@article{10_4064_aa_7_1_9_17,
     author = {S Lubelski},
     title = {Unpublished results on number theory {II.} {Composition} theory of binary quadratic forms {(Edited} by {C.} {Schogt)}},
     journal = {Acta Arithmetica},
     pages = {9--17},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {1961},
     doi = {10.4064/aa-7-1-9-17},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-7-1-9-17/}
}