@article{MZ_1990__203_3_174151,
     author = {Gilbert Stengle and Ludwig Br\"ocker},
     title = {On the {Mostowski} {Number.}},
     journal = {Mathematische Zeitschrift},
     pages = {629--634},
     publisher = {mathdoc},
     volume = {203},
     number = {3},
     year = {1990},
     zbl = {0668.14015},
     url = {http://geodesic.mathdoc.fr/item/MZ_1990__203_3_174151/}
}