@article{10_4064_aa_64_1_59_68,
     author = {Mariusz Ska{\l}ba},
     title = {On numbers with a unique representation by a binary quadratic form},
     journal = {Acta Arithmetica},
     pages = {59--68},
     publisher = {mathdoc},
     volume = {64},
     number = {1},
     year = {1993},
     doi = {10.4064/aa-64-1-59-68},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-64-1-59-68/}
}