Voir la notice de l'article provenant de la source Math-Net.Ru
@article{TRSPY_1983_164_a13, author = {Z. Ciesielski}, title = {Bases and $K$-functionals for {Sobolev} spaces over compact manifolds of class $C^\infty$}, journal = {Informatics and Automation}, pages = {197--202}, publisher = {mathdoc}, volume = {164}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1983_164_a13/} }
Z. Ciesielski. Bases and $K$-functionals for Sobolev spaces over compact manifolds of class $C^\infty$. Informatics and Automation, Orthogonal series and approximations of functions, Tome 164 (1983), pp. 197-202. http://geodesic.mathdoc.fr/item/TRSPY_1983_164_a13/