Shipments to the United States
Due to changes in U.S. customs regulations, all shipments to the United States are now subject to customs clearance.
This means that the recipient will be required to pay customs duties, as well as any applicable taxes and fees upon import.
Please also note that delivery may be delayed while the shipment is being processed by U.S. customs.
![Cover for Sorin G. Gal · Quaternionic Approximation: With Application to Slice Regular Functions - Frontiers in Mathematics (Paperback Book) [2019 edition] (2019)](https://imusic.b-cdn.net/images/item/original/645/9783030106645.jpg?sorin-g-gal-2019-quaternionic-approximation-with-application-to-slice-regular-functions-frontiers-in-mathematics-paperback-book&class=scaled&v=1615230722)
![Cover for Sorin G. Gal · Overconvergence in Complex Approximation (Paperback Book) [2013 edition] (2015)](https://imusic.b-cdn.net/images/item/original/913/9781489997913.jpg?sorin-g-gal-2015-overconvergence-in-complex-approximation-paperback-book&class=scaled&v=1749588512)
![Cover for Sorin G. Gal · Overconvergence in Complex Approximation (Hardcover Book) [2013 edition] (2013)](https://imusic.b-cdn.net/images/item/original/977/9781461470977.jpg?sorin-g-gal-2013-overconvergence-in-complex-approximation-hardcover-book&class=scaled&v=1632428175)
![Cover for Sorin G. Gal · Shape-Preserving Approximation by Real and Complex Polynomials (Hardcover Book) [2008 edition] (2008)](https://imusic.b-cdn.net/images/item/original/025/9780817647025.jpg?sorin-g-gal-2008-shape-preserving-approximation-by-real-and-complex-polynomials-hardcover-book&class=scaled&v=1410251333)
![Cover for Sorin G. Gal · Global Smoothness and Shape Preserving Interpolation by Classical Operators (Hardcover Book) [2005 edition] (2005)](https://imusic.b-cdn.net/images/item/original/874/9780817643874.jpg?sorin-g-gal-2005-global-smoothness-and-shape-preserving-interpolation-by-classical-operators-hardcover-book&class=scaled&v=1410282761)