Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen.
Koninklijke Nederlandse Akademie van Wetenschappen.
Amsterdam : North-Holland Pub. Co.,
1967-1989.
Title from cover.
Mathematical reviews
Reprint issued under title: Indagationes mathematicae.
Mathematics
Science
Indagationes mathematicae
Proceedings. Series A, Mathematical sciences
Indagationes mathematicae