1
Walsh J L. The convergence of sequences of rational functions of best approximation[J]. Mathematische Annalen, 1964, 155(3): 252-264.
2
Walsh J L. On the Convergence of Sequences of Rational Functions[J]. SIAM Journal on Numerical Analysis, 1967, 4(2): 211-221.
3
J L Walsh. The convergence of sequences of rational functions of best approximation. III. 1965.
4
Hernandez M B, Ysern B D. Meromorphic continuation of functions and arbitrary distribution of interpolation points[J]. Journal of Mathematical Analysis and Applications, 2012, 403(1): 107-119.
5
Aharonov D, Walsh J L. Some examples in degree of approximation by rational functions[J]. Transactions of the American Mathematical Society, 1971: 427-444.