Convexity preserving summability matrices.
Selvaraj, C.R.
International Journal of Mathematics and Mathematical Sciences, Tome 13 (1990), p. 501-506 / Harvested from The Electronic Library of Mathematics
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Publié le : 1990-01-01
DOI : https://doi.org/10.1155/S0161171290000722
EUDML-ID : urn:eudml:doc:46560 
@article{04181966,
     title = {Convexity preserving summability matrices.},
     journal = {International Journal of Mathematics and Mathematical Sciences},
     volume = {13},
     year = {1990},
     pages = {501-506},
     doi = {10.1155/S0161171290000722},
     zbl = {0717.40010},
     language = {en},
     url = {http://dml.mathdoc.fr/item/04181966}
}

Selvaraj, C.R. Convexity preserving summability matrices.. International Journal of Mathematics and Mathematical Sciences, Tome 13 (1990) pp. 501-506. doi : 10.1155/S0161171290000722. http://gdmltest.u-ga.fr/item/04181966/