Mapping ΦP in normed linear spaces and characterization of orthogonality problem of best approximations in 2-norm.
Singh, Vinai K. ; Kumar, Santosh
General Mathematics, Tome 17 (2009), p. 73-85 / Harvested from The Electronic Library of Mathematics
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Publié le : 2009-01-01
EUDML-ID : urn:eudml:doc:225408 
@article{05673691,
     title = {Mapping },
     journal = {General Mathematics},
     volume = {17},
     year = {2009},
     pages = {73-85},
     zbl = {1199.41185},
     language = {en},
     url = {http://dml.mathdoc.fr/item/05673691}
}

Singh, Vinai K.; Kumar, Santosh. Mapping . General Mathematics, Tome 17 (2009) pp. 73-85. http://gdmltest.u-ga.fr/item/05673691/