Giovanni Gallo, Bhubaneswar Mishra, François Ollivier. Some Constructions in Rings of Differential Polynomials. In Harold F. Mattson, Teo Mora, T. R. N. Rao, editors, Applied Algebra, Algebraic Algorithms and Error-Correcting Codes, 9th International Symposium, AAECC-9, New Orleans, LA, USA, October 7-11, 1991, Proceedings. Volume 539 of Lecture Notes in Computer Science, pages 171-182, Springer, 1991.
Abstract is missing.