By Adell J.A.   de la Cal J.   Perez-Palomares A.   in Journal of Mathematical Analysis and Applications

ISSN:0022-247X|200|3|663-679

Academic Press‎(1996)‎

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By Adell J.A.   German Badia F.   de la Cal J.   Plo F.   in Journal of Approximation Theory

ISSN:0021-9045|84|1|61-73

Academic Press‎(1996)‎

Access to resources Favorite 10.384596