Chrastinová, Veronika; Tryhuk, Václav On the Lagrange variational problem. (English) Zbl 1526.49016 Ann. Pol. Math. 130, No. 2, 149-180 (2023). MSC: 49K15 35Q31 58A17 58E30 49-01 × Cite Format Result Cite Review PDF Full Text: DOI
Cardin, Franco; Giannotti, Cristina; Spiro, Andrea On the Pontryagin maximum principle under differential constraints of higher order. (English) Zbl 1526.49015 Ann. Pol. Math. 130, No. 2, 97-147 (2023). MSC: 49K15 34H05 × Cite Format Result Cite Review PDF Full Text: DOI arXiv