Berger, M. e. (1984). Problems in geometry. Springer-Verlag.
Chicago Edition CitationBerger, Marcel ed. Problems in Geometry. New York: Springer-Verlag, 1984.
Cita MLABerger, Marcel ed. Problems in Geometry. Springer-Verlag, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.