1982 - Extension of Positive Operators and Korovkin Theorems [Lecture notes in mathematics] (Paperback) ISBN-13: 9780387111834 ISBN-10: 0387111832 ? |
1982 - Extension of Positive Operators and Korovkin Theorems [Lecture notes in mathematics] (Paperback) ISBN-13: 9780387111834 ISBN-10: 0387111832 ? |