Morey, Susan (1996-06-10). "Equations of blowups of ideals of codimension two and three". Journal of Pure and Applied Algebra. 109 (2): 197–211. doi:10.1016/0022-4049(95)00087-9. ISSN0022-4049.
Morey, Susan (1996-06-10). "Equations of blowups of ideals of codimension two and three". Journal of Pure and Applied Algebra. 109 (2): 197–211. doi:10.1016/0022-4049(95)00087-9. ISSN0022-4049.