%0 Journal Article %T Complex Structure of the Four-Dimensional Kerr Geometry: Stringy System, Kerr Theorem, and Calabi-Yau Twofold %A Alexander Burinskii %J Advances in High Energy Physics %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/509749 %U http://dx.doi.org/10.1155/2013/509749