%0 Journal Article %A Derdziński, Andrzej %T Self-dual Kähler manifolds and Einstein manifolds of dimension four %J Compositio Mathematica %D 1983 %P 405-433 %V 49 %N 3 %I Martinus Nijhoff Publishers %U http://archive.numdam.org/item/CM_1983__49_3_405_0/ %G en %F CM_1983__49_3_405_0