Reihe Problem Books in MathematicsD.P. Parent × Exercises in Number Theory D.P. ParentSpringer USeBook2013 Exercises in Number Theory D.P. ParentSpringer USeBook2013 Exercises in Number Theory D.P. ParentSpringer USSoftcover2010 Exercises in Number Theory D.P. ParentSpringer USSoftcover2010 Exercises in Number Theory D.P. ParentSpringer USHardcover1984 Exercises in Number Theory D.P. ParentSpringer USHardcover1984
