Ha, T. X. D. (2006). Variants of the Ekeland Variational Principle for a set-valued map involving the Clarke Normal Cone. Journal of mathematical analysis and applications, 316(1), 346-356. https://doi.org/10.1016/j.jmaa.2005.04.044
Citácia podle Chicago (17th ed.)Ha, Truong Xuan Duc. "Variants of the Ekeland Variational Principle for a Set-valued Map Involving the Clarke Normal Cone." Journal of Mathematical Analysis and Applications 316, no. 1 (2006): 346-356. https://doi.org/10.1016/j.jmaa.2005.04.044.
Citácia podľa MLA (8th ed.)Ha, Truong Xuan Duc. "Variants of the Ekeland Variational Principle for a Set-valued Map Involving the Clarke Normal Cone." Journal of Mathematical Analysis and Applications, vol. 316, no. 1, 2006, pp. 346-356, https://doi.org/10.1016/j.jmaa.2005.04.044.