Complex sentence: A special volume of Documenta Mathematica was published in honor of his 50th birthday, together with research papers written by leading number theorists and former students it contains Kato's song on Prime Numbers.
Split into simpler sentences: A special volume of Documenta Mathematica was published in honor of his 50th birthday. Together with research papers written by leading number theorists and former students it contains Kato's song on Prime Numbers.