Boltyanskij, V. G. An example of nonlinear synthesis. (English) Zbl 0248.49006 Differ. Equations 6(1970), 495-498 (1973). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 93B05 Controllability 49K15 Optimality conditions for problems involving ordinary differential equations 49K20 Optimality conditions for problems involving partial differential equations PDF BibTeX XML Cite \textit{V. G. Boltyanskij}, Differ. Equations 6, 495--498 (1973; Zbl 0248.49006)