@article{10_14708_cm_v46i2_5217,
     author = {A. El-Sayed Ahmed},
     title = {Extended results of the {Hadamard} product of simple sets of polynomials in hypersphere},
     journal = {Commentationes Mathematicae},
     pages = { 201--213},
     publisher = {mathdoc},
     volume = {46},
     number = {2},
     year = {2006},
     doi = {10.14708/cm.v46i2.5217},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v46i2.5217/}
}