@inproceedings{inproceedingsb765c22b,
title   = {General types of spherical mean operator and k-functionals of fractional orders},
author = {Jordão, Thaís and Sun, Xingping},
year = {2015},
publisher = {UNIOESTE},
booktitle   = {Encontro Nacional de Análise Matemática e Aplicações - ENAMA}
}