1. N. Nekrasov, A. Schwarz, Instantons on noncommutative R4 and (2,0) superconformal six-dimensional theory, Commun. Math. Phys. 198 (1998) 689–703, hep-th/9802068.
2. A. Kapustin, A. Kuznetsov, D. Orlov, Noncommutative instantons and twistor transform, hep-th/0002193.
3. Construction of instantons;Atiyah;Phys. Lett. A,1978
4. M.F. Atiyah, Geometry of Gauge Fields, Scuola Normale Superiore, Pisa, 1979.
5. L.I. Mason, N.M.J. Woodhouse, Integrability, Selfduality and Twistor Theory, Clarendon Press, Oxford, 1996.