Altomare, Francesco and Campiti, Michele. "Appendix A Korovkin-type approximation theory on commutative Banach algebras".
Korovkin-type Approximation Theory and Its Applications, Berlin, New York: De Gruyter, 2011, pp. 481-517.
https://doi.org/10.1515/9783110884586.481Altomare, F. & Campiti, M. (2011). Appendix A Korovkin-type approximation theory on commutative Banach algebras. In
Korovkin-type Approximation Theory and Its Applications (pp. 481-517). Berlin, New York: De Gruyter.
https://doi.org/10.1515/9783110884586.481Altomare, F. and Campiti, M. 2011. Appendix A Korovkin-type approximation theory on commutative Banach algebras.
Korovkin-type Approximation Theory and Its Applications. Berlin, New York: De Gruyter, pp. 481-517.
https://doi.org/10.1515/9783110884586.481Altomare, Francesco and Campiti, Michele. "Appendix A Korovkin-type approximation theory on commutative Banach algebras" In
Korovkin-type Approximation Theory and Its Applications, 481-517. Berlin, New York: De Gruyter, 2011.
https://doi.org/10.1515/9783110884586.481Altomare F, Campiti M. Appendix A Korovkin-type approximation theory on commutative Banach algebras. In:
Korovkin-type Approximation Theory and Its Applications. Berlin, New York: De Gruyter; 2011. p.481-517.
https://doi.org/10.1515/9783110884586.481