@article{MZ_1969__111_171202,
     author = {Reuben Sandler},
     title = {On {Some} {Questions} of {O.Iden.}},
     journal = {Mathematische Zeitschrift},
     pages = {255--256},
     year = {1969},
     volume = {111},
     url = {http://geodesic.mathdoc.fr/item/MZ_1969__111_171202/}
}