Cheney, E. W.; Wulbert, D. E. The existence and unicity of best approximations. (English) Zbl 0186.18701 Math. Scand. 24, 113-140 (1969). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 52 Documents Keywords:functional analysis × Cite Format Result Cite Review PDF Full Text: DOI EuDML