@article{MAN_1973__202_162423,
     author = {A. Bialynicki-Birula},
     title = {On {Families} of {Birationally} {Equivalent} {Varieties.}},
     journal = {Mathematische Annalen},
     pages = {347--350},
     publisher = {mathdoc},
     volume = {202},
     year = {1973},
     zbl = {0239.14005},
     url = {http://geodesic.mathdoc.fr/item/MAN_1973__202_162423/}
}