Source: https://www.researchgate.net/profile/Gianluca_Bontempi/publication/317888854_Calcul_formel_et_numerique_in_French_Handbook_of_the_Numerical_analysis_course_of_ULB_Computer_Science_Department/links/5950cf19aca27248ae460290/Calcul-formel-et-numerique-in-French-Handbook-of-the-Numerical-analysis-course-of-ULB-Computer-Science-Department.pdf