1. [1] P. A. McCoy, Approximation of generalized biaxially symmetric potentials on certain domains, J. Math. Anal. Appl., 82
(1981), 463-469.
2. [2] R. P. Gilbert, Integral operator methods in biaxially symmetric potential theory, Contrib. Diff. Eqns., 2 (1963), 441-456.
3. [3] G. S. Srivastava, On the growth and polynomial approximation of generalized biaxisymmetric potentials, Soochow J. Math.,
23(4) (1997), 345-358.
4. [4] P. A. McCoy, Best Lp-approximation of generalized biaxisymmetric potentials, Proc. Amer. Math. Soc., 79 (1980), 435-440.
5. [5] D. Kumar, A. Basu, Growth and approximation of generalized biaxially symmetric potentials, J. Math. Res. Appl., 35(6)
(2015), 613-624.