@article{GDZPPN002326957, title = {A Twistor Correspondence for Homogeneous Polynomial Differential Operators.}, journal = {Mathematische Annalen}, volume = {270}, year = {1985}, pages = {99-116}, zbl = {0548.32016}, url = {http://dml.mathdoc.fr/item/GDZPPN002326957} }
Murray, M.K. A Twistor Correspondence for Homogeneous Polynomial Differential Operators.. Mathematische Annalen, Tome 270 (1985) pp. 99-116. http://gdmltest.u-ga.fr/item/GDZPPN002326957/