The Jaen Journal on Approximation intends to be easily accessible and obtainable, and a useful tool for researchers, in such a way that it will be of the lowest possible price for the longest possible time.
Purchasers' support is very much welcome.
Jaen Journal of Approximation is also available for exchange with other journals devoted or not to Approximation Theory or Mathematics.
Special prices or even free of charge are available to support less developed countries.
Detailed information about prices, exchange and cooperation can be found via the left side menu.