00444nam a2200133Ia 4500082001800000100008500018110002800103245009000131260002700221300001000248490004000258500000500298856000700303  a516bSu955.SD  aSummer School on Yang- Mills-Equations, Humboldt Univ., Kagel, Berlin, June 1979  aFriedrich, Thomas ; ed.  aSelf-dual Riemanninan geometry and instantons; proceedingsbcEd. by Thomas Friedrich  aLeipzigbTeubnerc1981  a204p.  aTeubner texte zur Mathematik ; v.34  a  df