Breckner, W. W.; Kolumban, I. Théoremes de caractérisation des éléments de la meilleure approximation. (French) Zbl 0155.45302 C. R. Acad. Sci., Paris, Sér. A 266, 206-208 (1968). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Documents Keywords:functional analysis × Cite Format Result Cite Review PDF