%0 Journal Article %A Mikhail B. Sheftel %A Andrei A. Malykh %T Partner Symmetries, Group Foliation and ASD Ricci-Flat Metrics without Killing Vectors %J Symmetry, integrability and geometry: methods and applications %D 2013 %V 9 %U http://geodesic.mathdoc.fr/item/SIGMA_2013_9_a74/ %G en %F SIGMA_2013_9_a74