MathSciNet bibliographic data MR2344322 (2008j:53107) 53C42 (53D12) Castro, Ildefonso; Urbano, Francisco Minimal Lagrangian surfaces in $\Bbb S\sp 2\times\Bbb S\sp 2$$\Bbb S\sp 2\times\Bbb S\sp 2$. Comm. Anal. Geom. 15 (2007), no. 2, 217–248. Article

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