@article{10_1017_S0017089505002570,
     author = {VIELI, FRANCISCO JAVIER GONZ\'ALEZ},
     title = {GENERALIZED {FOURIER} {EXPANSIONS} {OF} {DIFFERENTIABLE} {FUNCTIONS} {ON} {THE} {SPHERE}},
     journal = {Glasgow mathematical journal},
     pages = {339--345},
     year = {2005},
     volume = {47},
     number = {2},
     doi = {10.1017/S0017089505002570},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089505002570/}
}