Gaya APA
Dai, F., Xu, Y. (2013).
Approximation theory and harmonic analysis on spheres and balls (1).
New York:
Springer New York.
Gaya MLA
Dai, Feng., Xu, Yuan.
"Approximation theory and harmonic analysis on spheres and balls".
1
New York:
Springer New York,
2013.
Electronic Resource.