Bellman, Richard; Kalaba, Robert Invariant imbedding, wave propagation and the WBK-approximation. (English) Zbl 0080.18301 Proc. Natl. Acad. Sci. USA 44, 317-319 (1958). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 3 Documents Keywords:Elasticity; Plasticity × Cite Format Result Cite Review PDF Full Text: DOI