Ball, J. M. On the calculus of variations and sequentially weakly continuous maps. (English) Zbl 0348.49004 Ordin. part. Differ. Equat., Proc. 4th Conf., Dundee 1976, Lect. Notes Math. 564, 13-25 (1976). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 7 Documents MSC: 49J20 Existence theories for optimal control problems involving partial differential equations 49J45 Methods involving semicontinuity and convergence; relaxation 35J55 Systems of elliptic equations, boundary value problems (MSC2000) PDF BibTeX XML