Ekeland, I. (1999). Convex analysis and variational problems. Society for Industrial and Applied Mathematics.
芝加哥风格引文Ekeland, Ivar. Convex Analysis and Variational Problems. Philadelphia: Society for Industrial and Applied Mathematics, 1999.
MLA引文Ekeland, Ivar. Convex Analysis and Variational Problems. Society for Industrial and Applied Mathematics, 1999.
警告：这些引文格式不一定是100％准确.