@article{CMUC_1981_22_4_a3,
     author = {H\'ajek, Petr},
     title = {On interpretability in theories containing arithmetic. {II}},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {667--688},
     year = {1981},
     volume = {22},
     number = {4},
     mrnumber = {647016},
     zbl = {0487.03032},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1981_22_4_a3/}
}