El Kolli, Amar \(n^{i e m e }\) épaisseur dans les espaces de Sobolev avec (The n-the width in Sobolev spaces with weight). (French) Zbl 0224.41012 C. R. Acad. Sci., Paris, Sér. A 273, 450-453 (1971). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 41A65 Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) 46E35 Sobolev spaces and other spaces of “smooth” functions, embedding theorems, trace theorems × Cite Format Result Cite Review PDF